# Class-8

### 12345English Class-8

##### Chapter 1: Vocabulary (61 videos)

###### 1.1: Vocabulary (words/meanings/sentences)

- Vocabulary (words/meanings/sentences) Part 1
- Vocabulary (words/meanings/sentences) Part 2
- Vocabulary (words/meanings/sentences) Part 3
- Vocabulary (words/meanings/sentences) Part 4
- Vocabulary (words/meanings/sentences) Part 5
- Vocabulary (words/meanings/sentences) Part 6
- Vocabulary (words/meanings/sentences) Part 7
- Vocabulary (words/meanings/sentences) Part 8
- Vocabulary (words/meanings/sentences) Part 9
- Vocabulary (words/meanings/sentences) Part 10
- Vocabulary (words/meanings/sentences) Part 11
- Vocabulary (words/meanings/sentences) Part 12

###### 1.2: Dictionary Skills

###### 1.3: Use of Thesaurus (synonyms)

###### 1.4: Foreign Words

###### 1.5: Antonyms (Words and Opposite)

- Creating Opposities of Words by Adding “un, in or im”
- Synonyms & Antonyms Part 1
- Opposites (hot-cold, short-long etc)
- Exercise Opposites-Join Word to Picture
- Exercise Opposites-Fill in the Blanks
- More on Exercise Opposites-Fill in the Blanks
- Describing Words-Opposites
- Exercise-Describing Words-Opposites (tall/short, big/small etc)
- Asim Wants a Cap (Story/Opposites: tall/short, big/small etc)

###### 1.6: Idioms and Phrasal Verbs

- Idioms (10)- [meanings & Sentences] Part 1
- Idioms (10)- [meanings & Sentences] Part 2
- Idioms (10)- [meanings & Sentences] Part 3
- Idioms (10)- [meanings & Sentences] Part 4
- Idioms (10)- [meanings & Sentences] Part 5
- Phrasal Verbs (10)- [meanings & Sentences] Part 1
- Phrasal Verbs (10)- [meanings & Sentences] Part 2
- Phrasal Verbs (10)- [meanings & Sentences] Part 3
- Phrasal Verbs (10)- [meanings & Sentences] Part 4
- Phrasal Verbs (10)- [meanings & Sentences] Part 5

###### 1.7: Abbreviations

###### 1.8: Root Words, Prefixes and Suffixes

###### 1.9: Minimal Pairs

###### 1.10: Word Pairs

- Pair of Words (Commonly Confused Words) Part 1
- Pair of Words (Commonly Confused Words) Part 2
- Word Pairs (5)- [meanings & Sentences] Part 1
- Word Pairs (5)- [meanings & Sentences] Part 2
- Word Pairs (5)- [meanings & Sentences] Part 3
- Word Pairs (5)- [meanings & Sentences] Part 4
- Word Pairs (5)- [meanings & Sentences] Part 5
- Word Pairs (5)- [meanings & Sentences] Part 6
- Word Pairs (5)- [meanings & Sentences] Part 7
- Word Pairs (5)- [meanings & Sentences] Part 8
- Word Pairs (5)- [meanings & Sentences] Part 9
- Word Pairs (5)- [meanings & Sentences] Part 10
- Word Pairs (5)- [meanings & Sentences] Part 11
- Word Pairs (5)- [meanings & Sentences] Part 12
- Word Pairs (5)- [meanings & Sentences] Part 13
- Word Pairs (5)- [meanings & Sentences] Part 14
- Word Pairs (5)- [meanings & Sentences] Part 15
- Word Pairs (5)- [meanings & Sentences] Part 16
- Word Pairs (5)- [meanings & Sentences] Part 17
- Word Pairs (5)- [meanings & Sentences] Part 18
- Word Pairs (5)- [meanings & Sentences] Part 19
- Word Pairs (5)- [meanings & Sentences] Part 20

##### Chapter 2: Pronunciation and Spelling (43 videos)

###### 2.1: Long and Short Vowel Sounds

- Vowels Introduction (letters a,e,i,o,u)
- Exercise Vowels Introduction
- Short and Long Vowel Sounds
- Exercise-Short and Long Vowel Sounds
- Exercise-Short and Long Vowels Combined
- Exercise-Vowel Sounds Mixed
- More on Exercise-Vowel Sounds Mixed

###### 2.2: Letter Blends with Sounds (short and long vowel sounds)

- Letter Blends (vowel-consonant-vowel)-rate etc
- More on Letter Blends (vowel-consonant-vowel)-cage etc
- More on Letter Blends (vowel-consonant-vowel)-mute etc
- Letter Blends (vowel-vowel-consonant)-rain etc
- More on Letter Blends (vowel-vowel-consonant)-keen etc
- Letter Blends (consonant-vowel-vowel)-bees etc
- More on Letter Blends (consonant-vowel-vowel)-seat etc

###### 2.3: Different Sounds of “Y”

###### 2.4: Homophones (words with similar sounds but different meanings)

###### 2.6: Four Letter Rhyming Words (Ending with ake/ock/ook/ing)

- 4 Letter Rhyming Words (ending with ake)
- Exercise-4 Letter Rhyming Words (ending with ake)
- 4 Letter Rhyming Words (ending with ock)
- Exercise-4 Letter Rhyming Words (ending with ock)
- 4 Letter Rhyming Words (ending with ook)
- Rhyming Words (join pictures/match columns)

###### 2.7: Pronunciation: Silent Letters in Words

- Pronunciation: Silent letters in Words (with focus on silent and roll
- Pronunciation: Silent letters in Words (with focus on”lk”, “wr”, “kn”)

###### 2.8: Three Letter Rhyming Words (ending with in/at/ut/ot/en/ar)

- 3 Letter Rhyming Words (ending with in)
- 3 Letter Rhyming Words (ending with at)
- 3 Letter Rhyming Words (ending with ut)
- 3 Letter Rhyming Words (ending with ot)
- 3 Letter Rhyming Words (ending with en)
- 3 Letter Rhyming Words (ending with ar)

###### 2.8: Pronunciation and IPA Symbols

###### 2.9: Double Consonants

###### 2.10: One Syllable Words (words with one sound beat-corn, nest etc.)

###### 2.11: Two Syllable Words (words with two sound beats-but/ter etc.)

- Two Syllable Words-but/ter, san/dal etc
- Two Syllable Words-can/dle, ti/ger etc
- Syllable Stress: Word Form

###### 2.12: Affect of Letters on Sounds of Other Letters

- Affect of letter “e” on Sounds of other Letters in a Word Part 1
- Affect of letter “e” on Sounds of other Letters in a Word Part 2
- The sound “ul” at the End of Words Spelled “le”
- Words that Break the Rule of “se” Pronounced as “z” and End in “ze”

###### 2.13: Spelling Tripple Consonants

###### 2.14: Intonation Patterns

##### Chapter 3: Reading Comprehension Skills (Prose/ Poetry) (24 videos)

###### 3.1: Reading Comprehension Skills (Prose)

- Comprehension of a Descriptive Essay Part 1
- Comprehension of a Descriptive Essay Part 2
- Comprehension of a Comparison and Contrast Essay Part 1
- Comprehension of a Comparison and Contrast Essay Part 2
- Comprehension of a Cause and Effect Essay Part 1
- Comprehension of a Cause and Effect Essay Part 2
- Comprehension of an Argumentative Essay
- Comprehension of a Letter Part 1
- Comprehension of a Letter Part 2
- Comprehension of a Story Part 1
- Comprehension of a Story Part 2
- Comprehension of a Play Part 1
- Comprehension of a Play Part 2
- Reference to the Context

###### 3.2: Reading Comprehension Skills (Poetry)

###### 3.3: Analogy, Simile and Metaphor (use/practice)

- Analogy Part 1
- Analogy Part 2
- Analogy Part 3
- Analogy Part 4
- Analogy Part 5
- Use of Simile: Activity
- Use of Metaphor

##### Chapter 4: Grammar (218 videos) (Practice Test)

###### 4.1: Parts of Speech (Introduction) (Practice Test)

- Parts of Speech (introduction)
- Nouns (explanation with examples)
- Pronouns (explanation with examples)
- Adjectives (explanation with examples)
- Verbs (explanation with examples)
- Adverbs (explanation with examples)
- Conjunctions (explanation with examples)
- Prepositions (explanation with examples)
- Interjections (explanation with examples)

###### 4.2: Types of Nouns (Practice Test)

- Masculine/Feminine (girl/boy, father/mother etc)
- Masculine/ Feminine (man/woman etc)(explanation/activities)
- Gender Nouns
- Proper Nouns (explanation with examples)
- Common Nouns (explanation with examples)
- Concrete Nouns (explanation with examples)
- Abstract Nouns (explanation with examples)
- Exercise-Abstract Nouns-1
- Exercise-Abstract Nouns-2
- Singular and Plural Nouns (explanation with examples)
- Countable and Uncountable Nouns (explanation with examples)
- Use of Much and Many
- Collective Nouns (explanation with examples)
- Changing Noun Number to Plural Part 1
- Changing Noun Number to Plural Part 2
- Nouns with Different Meanings in Different Numbers
- Number of Compound Nouns
- Animate and Inanimate Nouns and their Possessive Forms
- Possessive Forms of Animate Nouns Activity
- Exercise-Collective Nouns
- Compound Nouns (explanation with examples)
- Exercise-Nouns-Mixed

###### 4.3: Types of Pronouns (Practice Test)

- Personal Pronouns (explanation with examples)
- Possessive Pronouns (explanation with examples)
- Relative Pronouns & antecedent(explanation with examples)
- More on Relative Pronouns
- Exercise-Relative Pronouns
- Joining Sentences by inserting “Who”
- Joining Sentences by inserting “Which”
- Joining Sentences by inserting “Which or Who”
- Pronoun Antecedent Agreement
- Pronoun Antecedent Agreement (Activity)
- Kinds of Pronouns Mixed Part-1
- Kinds of Pronouns Mixed Part-2
- Exercise-Kinds of Pronouns Mixed
- Exercise-Pronoun Antecedent
- Interrogative Pronouns

###### 4.4: Types of Prepositions (Practice Test)

- Prepositions (explanation with examples & exercise)
- Prepositions of Place
- Prepositions of Time
- Prepositions of Reason
- Prepositions of Movement or Direction
- Compound Prepositions (explanation with examples)
- Exercise-Compound Prepositions
- Confusing Prepositions (until and by)
- Use of Since and For
- Preposition of Agent
- Preposition of Instrument

###### 4.5: Conjunctions (Practice Test)

- Conjunctions(3 types)(explanation with examples)
- Joining Sentences by inserting “or, and, but”
- Joining Sentences by inserting “so or because”

###### 4.6: Articles (Practice Test)

- Definite and Indefinite Articles (explanation with examples)
- Exercise-Articles
- Special Use of Article “An” and “A”
- Some Common Uses of Article “The”

###### 4.7: Kinds of Adjectives (Practice Test)

- Kinds of Adjectives (explanation with examples)
- Exercise-Kinds of Adjectives
- Order of Adjectives (explanation with examples)
- Exercise-Order of Adjectives
- Degrees of Comparison (explanation with examples)
- Exercise-Degrees of comparison
- Absolute Adjectives
- Possessive Adjectives
- Regular Adjectives
- Irregular Adjectives
- Some More Types of Adjectives Part 1
- Some More Types of Adjectives Part 2
- Some More Types of Adjectives Part 3 (Activity)
- Forming Adjectives from Nouns Part 1
- Forming Adjectives from Nouns Part 2 (Activity)
- Use of Determiners
- Comparative Adjectives with ‘the’
- Adjectives with Reference to “Than”

###### 4.8: Kinds and Positions of Adverbs in a Sentence (Practice Test)

- Kinds of Adverbs (explanation with examples)
- More on Kinds of Adverbs
- Position of Adverbs in a sentence (explanation with examples)
- Position of a Single Adverb in a Sentence
- Degrees of Adverbs (explanation with examples)
- Change Adjectives into Adverbs
- Adverbs of Affirmation or Negation
- Adverbs of Reason
- Words used as Adjectives and Adverbs Both

###### 4.9: Types of Sentences (Practice Test)

- Sentence and Order of its Parts
- Identify a Sentence (explanation/activities)
- Sentence Analysis (subject, verb, object etc. all combined)
- Direct and Indierct Object
- Statements (explanation with examples)
- Imperative Sentences (explanation with examples)
- Excalamatory Sentences (explanation with examples)
- Interrogative Sentences (explanation with examples)
- Changing a Statement into an Interrogative starting with “How Long”
- Wh-Question Words
- Use of Question Words
- Tag Questions
- Changing Statements into Negatives and Interrogatives
- Optative Sentences (explanation with examples)
- Exercise-Types of Sentences
- Identifying Expressions w.r.t. Types

###### 4.10: Phrases and Clauses (Practice Test)

###### 4.11: Kinds of Verbs and their Forms (Practice Test)

- Use of Am Is Are in Sentences
- Exercise-Use of Am Is Are
- More on Exercise-Use of Am Is Are
- Use of B Form-Is Am Are (pictures/sentences)
- Present Past and Past Participle forms of some Verbs
- Use of “Used To”
- Forming Verbs from Nouns
- Verbs of Doing and Verbs of Being
- Transitive Verb (explantion with examples)
- Intransitive Verb (explantion with examples)
- Auxilliary Verb (explantion with examples)
- Linking Verbs (explantion with examples)
- Use of Has and have (explanation/fill columns)
- Use of Has and have (explanation/fill blanks)
- Simple Past Tense (practice)
- Finite Verbs (explanation with examples)
- Non-Finite Verbs (explanation with examples)
- Present and Past participle (explanation with examples)
- Exercise-Present & Past Participles
- Gerund (explanation with examples)
- Infinitive (explanation with examples)
- Forms of Verbs for Regular Verbs (explanation with examples)
- Forms of Verbs for Irregular Verbs (explanation with examples)
- Modal Verbs (explanation with examples)
- More on Modal Verbs
- Exercise-Modal Verbs
- Use of ‘Can’ and ‘May’
- Use of ‘Should’ and ‘Must’
- Use of ‘Could’ ‘Might’ and ‘Would’
- Use of Must & Must Not
- Various Forms of Verbs (Practice)

###### 4.12: Present Tense (Practice Test)

- Present Simple Tense(Uses&Formation)
- Present Simple Tense(Table) (explanation with examples)
- Present Continuous Tense (Uses&Formation)
- Present Continuous Tense (Table) (explanation with examples)
- Present Perfect Tense (Uses&Formation)
- Present Perfect Tense(Table) (explanation with examples)
- Present Perfect Continuous Tense (Uses&Formation)
- Present Perfect Continuous Tense (Table) (explanation & examples)

###### 4.13: Past Tense (Practice Test)

- Past Simple Tense(Uses&Formation)
- Past Simple Tense (Table)(explanation with examples)
- Past Continuous Tense(Uses&Formation)
- Past Continuous Tense (Table)(explanation with examples)
- Past perfect Tense (Uses&Formation)
- Past perfect Tense (Table)(explanation with examples)
- Past Perfect Continuous Tense (Uses&Formation)
- Past Perfect Continuous Tense (Table)(explanation & examples)

###### 4.14: Future Tense (Practice Test)

- Future Simple Tense (Uses&Formation)(explanation with examples)
- Future Simple Tense (Table) (explanation with examples)
- Future Continuous Tense(Uses&Formation) (explanation with examples)
- Future Continuous Tense (Table) (explanation with examples)
- Future Perfect Tense(Uses&Formation) (explanation with examples)
- Future Perfect Tense (Table)(explanation with examples)
- Change the Tense of a Given Sentence to Another Tense
- Exercise-Tenses-Mixed

###### 4.15: Conditionals Type- I , II and III (Practice Test)

- Conditionals-Type 1 (explanation with examples)
- Conditionals-Senetences Table (explanation with examples)
- More on Conditionals-Senetences Table(Type Zero, 1,2,3,Mixed)
- Exercise-Conditionals
- Zero Conditional: Activity
- First Conditional: Activity
- Second Conditional: Activity
- Third Conditional: Activity
- All Conditionals: Activity

###### 4.16: Active and Passive Voice (Practice Test)

- Active and Passive Voice (explanation with examples)
- Active and Passive Voice Table Part 1 (explanation & examples)
- Active and Passive Voice Table Part 2 (explanation & examples)
- Active and Passive Voice Table Part 3 (explanation & examples)
- Active and Passive Voice Table Part 4 (explanation & examples)
- Exercise-Active & Passive Voice

###### 4.17: Subject-Verb Agreement (Practice Test)

- Subject-Verb Agreement Part 1 (explanation with examples)
- Subject-Verb Agreement Part 2 (explanation with examples)
- Subject-Verb Agreement Part 3 (explanation with examples)
- Subject-Verb Agreement Part 4 (explanation with examples)
- Subject-Verb Agreement Part 5 (explanation with examples)
- Exercise-Subject Verb Agreement

###### 4.18: Transitional Devices (Practice Test)

- Transitional Devices (explanation with examples)
- More on Transitional Devices
- Exercise Transitional Devices

###### 4.19: Direct/Indirect Narration

- Intro Direct/Indirect Speech
- Intro Direct/Indirect Speech: Activity
- Orders and Requests: Direct/Indirect Speech

###### 4.20: Punctuation (Practice Test)

- Ways to End a Sentence (full stop, comma, exclamation)
- Commas with Simple Series, Oxford comma and Adjectives (Rule 1 and 2)
- Commas with Introductory Phrases and Nonessential Parts of a Sentence
- Commas with Phrases, Dates and Addresses (Rule 10 to 13)
- Commas with Degrees, Titles and Direct Speech (Rule 14 to 16)
- Commas with Direct Speech, Contrasting Parts and Introductory Items (
- Punctuating Salutations and Valedictions
- Punctuating Dates
- Punctuating Addresses
- Apostrophes with Singular Nouns (Rule 1 to 2)
- Identify Apostrophes with Plural Nouns (regular nouns) (Rule 3 to 4)
- Identify Apostrophes with Plural Nouns (irregular Nouns) (Rule 4- 5)
- Contractions (it is/it’s, I am/I’m etc)(explanation/activities)
- Apostrophes with Contractions(Rule 13)
- Colons with Series of Items (Rule 1-3)
- Colons with Vertical Lists and Series of Items (Rule 4-5)
- Colons with Direct Speech (Rule 6-8)
- Semicolons with Clauses (Rule 1 and 2)
- Semicolons with Conjunctions and Series of Items (Rule 3 to 6)
- Use of Parenthesis
- Use of Parenthesis and Brackets
- Use of Dashes
- Use of Hyphens Part-1
- Use of Hyphens Part-2
- Use of Hyphens Part-3
- Punctuating a Passage Part-1
- Punctuating a Passage Part-2

##### Chapter 5: Reading and Thinking Skills (4 videos)

###### 5.1: Differentiate Facts, Opinions and Implied Statements

###### 5.2: Explanation of Terms like Genre, Fiction, Non-fiction etc.

###### 5.3: Types of Writing Systems in a Play

##### Chapter 6: Writing Skills (50 videos)

###### 6.1: Summary Writing

- Summary Writing Intro and Steps (explanation with examples)
- Exercise-Summary Skills-1
- Exercise-Summary Skills-2
- Exercise-Summary Skills-3

###### 6.2: Paraphrasing

- Paraphrasing Intro-Sample (writing a paraphrase of a story)
- More on paraphrasing Intro-Sample
- Paraphrasing the Stanzas of a Poem (editing/writing)

###### 6.3: Paragaraph Writing

- Paragaraph Writing Intro-Outline (explanation with examples)
- Paragraph Writing Sample(writing of a paragraph)

###### 6.4: Self-Created Cloze

###### 6.5: Free Writing (writing without stopping)

###### 6.6: Writing a Diary Entry

###### 6.7: Flow Chart of a School Event

###### 6.8: Blurbs

###### 6.9: Writing a News Report and Article

###### 6.10: Essay Writing

- Essay Writing -Intro with Essay Types (explanation with examples)
- Exercise-Essay Writing
- Steps for writing an Essay (explanation with examples)
- More on Steps for writing an Essay

###### 6.11: Mind Mapping

###### 6.12: Argumentative Essay

- Argumentative Essay Sample-Part-1 (writing of essay)
- Argumentative Essay Sample-Part-2 (writing of essay)
- Argumentative Essay Sample-Part-3(writing of essay)

###### 6.13: Narrative Essay

- Narrative Essay Sample-Part-1 (writing of essay)
- Narrative Essay Sample-Part-2 (writing of essay)
- Narrative Essay Sample-Part-3 (writing of essay)
- Narrative Essay Sample-Part-4 (writing of essay)

###### 6.14: Character Sketch

###### 6.15: Descriptive Essay

- Descriptive Essay Sample (writing of essay)
- Character Sketch(explanation/steps to follow)
- More on Character Sketch

###### 6.16: Cause and Effect Essay

- Cause and Effect
- Cause and Effect Essay Sample (writing of essay)
- More on Cause and Effect Essay Sample (writing of essay)

###### 6.17: Comparison and Contrast Essay

- Comparison and Contrast Essay Sample(writing of essay)
- More on Comparison and Contrast Essay Sample (writing of essay)

###### 6.18: Letter Format & Types

###### 6.19: Styles and tones in letter writing

###### 6.20: Formal Letter (Application)

###### 6.21: Informal Letter

###### 6.22: Email

###### 6.23: Book Review

- Book Review Intro and Tips (explanation with examples)
- Book Review Sample (discussion of sample)
- Book Reviews on Hellen Keller’s 2 Books (explanation)

###### 6.24: Dialogue Writing

- Dialogue Writing Part 1
- Dialogue Writing Part 2
- Dialogue Writing Part 3
- Dialogue Writing Part 4
- Dialogue Writing Part 5

### Math Class-8

##### Chapter 1: Operations on Sets (52 videos) (Practice Test)

###### 1.1: Sets (Practice Test)

- Set Definition
- Problem-Introduction to Set
- Definition & Notation of Some Important Sets
- Problem-Some Important Sets
- Subset and Superset of a Set
- Problem-Subset and Superset of a Set
- Proper Subset & Improper Subset
- Problem-Proper and Improper Subset of a Set
- Problem 1: Proper Subset & Improper Subset
- Problem-Finding Subsets of a Set
- Power Set
- Problem-Concept of Power Set

###### 1.2: Operations on Sets (Practice Test)

- Commutative Property of Union of Sets
- Problem-Commutative Property of Union of Sets
- Associative Property of Union of Sets
- Problem-Associative Property of Union of Sets
- Identity Property with Respect to Union
- Commutativity of Intersection
- Problem-Commutative Property of Intersection of Sets
- Associative Property of Intersection of Sets
- Problem-Associative Property of Intersection of Sets
- Identity Property with Respect to Intersection
- Prob-Identity Property with Respect to Intersection
- Difference of Sets
- Prob-Properties Involving Difference of Sets
- Properties Involving Complement of a Set
- Prob-Properties Involving Complement of a Set
- Distributive Property of Union Over Intersection
- Problem-Distributive Law of Union Over Intersection
- Distributive property of Intersection over Union
- Problem-Distributive Law of Intersection Over Union
- Demorgan Law 1
- Problem-Complement of Union Equals Intersection of Complements
- Demorgan Law 2
- Problem-Complement of Intersection Equals Union of Complements

###### 1.3: Venn Diagram (Practice Test)

- Introduction to Venn Diagram
- Problem-Introduction to Venn Diagram
- Introduction to Venn Diagrams
- Problem-Representing Sets Through Venn Diagrams
- Performing Union of Sets Through Venn Diagram
- Problem-Performing Union of Sets Through Venn Diagram
- Performing Intersection of Sets Through Venn Diagram
- Problem-Performing Intersection of Sets Through Venn Diagram
- Difference of Sets for Overlapping Sets
- Problem-Difference of Two Sets A and B Through Venn Diagram
- Complement of a Set Through Venn Diagram
- Problem-Complement of a Set Through Venn Diagram
- Union Associativity for Overlapping Sets
- Problem-Associative Law of Union Through Venn Diagram
- Intersection Associativity for Overlapping Sets
- Distributivity of Union Over Intersection of Sets
- Distributivity of Intersection Over Union of Sets

##### Chapter 2: Real Numbers (34 videos) (Practice Test)

###### 2.1: Irrational Numbers (Practice Test)

- Concept of Rational Numbers
- Problem-Concept of Rational Numbers
- Concept of Irrational Numbers
- Problem-Concept of Irrational Numbers
- Introduction to Real Numbers
- Problem-Concept of Real Numbers
- Terminating Decimals
- Problem-Terminating Decimals
- Non-terminating Decimals
- Problem-Non-terminating Decimals

###### 2.2: Squares (Practice Test)

###### 2.3: Square Root (Practice Test)

- Square Root of a Natural Number
- Problem-Finding Square Roots By Prime Factorization
- Finding Square Roots of Fractions
- Problem-Finding Square Roots of Fractions
- Finding Square Roots of Decimals
- More on Finding Square Roots of Decimals
- Problem-Finding Square Roots of Decimals
- Finding Square Roots By Division Method
- More on Finding Square Roots By Division Method
- Problem-Finding Square Roots By Division Method
- Finding Square Roots of Decimals
- More on Finding Square Roots of Decimals
- Problem-Finding Square Roots of Decimals By Division Method
- Number of Digits in the Square Root of a Perfect Square
- Solving Problem Involving Square Root-Problem-1
- Solving Problem Involving Square Root-Problem-2
- Finding Number of Digits in Square Root and Their Pairing

###### 2.3: Cubes and Cube Roots (Practice Test)

- Concept of Cubes and Perfect Cubes
- Problem-Concept of Cubes and Perfect Cubes
- Cubes and Cube Roots
- Problem-Cube Roots of Numbers which are Perfect Cubes

##### Chapter 3: Number Systems (34 videos) (Practice Test)

###### 3.1: Number System (Practice Test)

- Concept of a Base of Number System
- Problem-Introduction to Decimal System and Base
- Binary Number System
- Problem-Binary Number System
- Base Five Number System
- problem-Base Five Number System and conversion from base 10 to base 5
- Base Eight Number System

###### 3.2: Conversion (Practice Test)

- Conversion of Number from Base 2 to 10 System
- Problem-Conversion of Number from Base 2 to 10 System
- Conversion of Number from Base 5 to 10 System
- Conversion of Number from Base 10 to 8 System and Vise Versa
- Problem-Conversion of Number from Base 10 to 8 System
- Addition of Numbers in Binary System
- Problem-Addition of Numbers in Binary System
- Subtraction of Numbers in Binary System
- Problem-Subtraction of Numbers in Binary System
- Multiplication of Numbers in Binary System
- Problem-Multiplication of Numbers in Binary System
- Addition of Numbers in Base Five System
- Subtraction of Numbers in Base Five System
- Multiplication in Base-5 System
- Problem-Multiplication in Base-5 System
- Addition of Numbers in Base Eight System
- Subtraction of Numbers in Base Eight System
- Problem-Subtraction of Numbers in Base Eight System
- Multiplication of Numbers in Base Eight System
- Problem-Multiplication of Numbers in Base Eight System
- Addition of Numbers in Different Base System
- Problem-Addition of Numbers in Different Base System
- Subtraction of Numbers in Different Base System
- Problem-Subtraction of Numbers in Different Base System
- Multiplication of Numbers in Different Base System
- Problem-Multiplication of Numbers in Different Base System
- BODMAS Rule in Solving Numbers with Different Base System

##### Chapter 4: Financial Arithmetic (59 videos) (Practice Test)

###### 4.1: Compound Proportion (Practice Test)

- Introducing Compound Proportion
- Problem-Concept of Compound Proportion
- Solving Word Problem of Compound Proportion-Problem1
- Solving Word Problem of Compound Proportion-Problem2
- Introducing Business Partnership
- Problem Related to Partnership-p1
- Problem Related to Partnership-p2
- More on Problem Related to Partnership-p2
- Problem Related to Partnership-p3
- Introducing Inheritance
- More on Introducing Inheritance
- Problem Related to Inheritance-p1
- More on Problem Related to Inheritance-p1
- Problem Related to Inheritance-p2
- Problem Related to Inheritance-p3

###### 4.2: Banking (Practice Test)

- Concept of Banking
- Bank Deposits and Types of Accounts
- More on Bank Deposits and Types of Accounts
- Negotiable Instruments
- Online Banking
- Conversion of Currencies
- Problem1-Money Exchange
- Problem2-Money Exchange
- Problem3-Money Exchange
- concept of percent profit
- Problem- profit percentage
- Word Problem of Profit
- Problem-Word Problem of Profit
- Concept of Markup
- Problem-Concept of Markup
- Word Problem of Markup
- More on Word Problem of Markup
- Types of Finance

###### 4.3: Percentage (Practice Test)

- Concept of Percentage
- Problem-Concept of Percentage
- Concept of Profit and Loss
- Concept of Discount
- Problem-Concept of Discount
- Word Problem Related to Profit
- Word Problem Related to Loss
- Word Problem Related to Discount
- concept of percent profit
- Concept of prercent loss
- Problem- profit percentage
- Problem- loss percentage
- Problem-Related to Profit or Loss Percent-p3
- Importance of Profit and Loss Percentage
- Problem-Importance of Profit and Loss Percentage
- Finding Selling Price When Profit/Loss Percent & Cost Price are Given
- Finding Cost Price When Profit/Loss Percent and Selling Price are Giv
- Prob-Finding Cost Price When Profit/Loss Percent and Selling Price ar
- Discount as a Percentage of Marked Price
- Problem-Discount as a Percentage of Marked Price

###### 4.4: Insurance (Practice Test)

- Introducing Insurace and its Components
- More on Introducing Insurace and its Components
- Life Insurance
- More on Life Insurance
- Vehicle Insurance

###### 4.5: Income Tax

##### Chapter 5: Polynomials (37 videos) (Practice Test)

###### 5.1: Algebraic Expressions (Practice Test)

- Introduction to Algebraic Expressions
- Problem-Introduction to Algebraic Expressions
- Concepts of Constant and Variables / Literals
- Problem-Concepts of Constant and Variables / Literals

###### 5.2: Polynomial (Practice Test)

- Concept of Polynomial and its Degree
- Degree of a polynomial
- Problem-Concept of Polynomial and its Degree
- Coefficients of a Polynomial
- Polynomials in One, Two and More Variables
- Identification of a Monomial, Binomial and Trinomial
- Problem-Identification of a Monomial, Binomial and Trinomial
- Concept of Linear Polynomials
- Problem-Concept of Linear Polynomials
- Concept of Quadratic Polynomials
- Problem-Concept of Quadratic Polynomials
- Concept of Cubic Polynomial
- Problem-Concept of Cubic Polynomial
- Concept of Biquadratic Polynomial
- Problem-Concept of Biquadratic Polynomial
- Problem Related to Algebraic Expressions

###### 5.3: Operations with Polynomials (Practice Test)

- Addition of Polynomials by horizontal method
- Problem-Addition of Polynomials by horizontal method
- Addition of Polynomials by vertical method
- problem-Addition of Polynomials by vertical method
- Subtraction of polynomial by horizontal method
- problem-Subtraction of polynomial by horizontal method
- Subtraction of Polynomials by vertical method
- Multiplication of Polynomials
- Multiplication of binomials with trinomials
- Problem-Multiplication of Polynomials-1
- Problem-Multiplication of Polynomials-2
- Vertical Multiplication of Polynomials
- Problem-Vertical Multiplication of Polynomials
- Division of Polynomials
- Problem-Division of Polynomials
- Simplification of an Algebraic Expressions
- Problem1-Simplification of an Algebraic Expressions

##### Chapter 6: Factorization, simultaneous Equations (41 videos) (Practice Test)

###### 6.1: Basic Algeraic Formulas (Practice Test)

- Introduction to Algebraic Identities
- Problem-Introduction to Algebraic Identities
- Product of Same Binomial
- More on Product of Same Binomial
- Problem-Product of Same Binomial
- Difference of Square of Two Terms
- Problem1-Difference of Square of Two Terms
- Problem2-Difference of Square of Two Terms
- Application of Difference of Square of Two Terms

###### 6.2: Factorization (Practice Test)

- Introduction to Factorization
- Problem-Factorization of Algebraic Expressions
- Factorization of Expressions of the Form ka+kb+kc
- Problem-Factorization of Expressions of the Form ka+kb+kc
- Factorization by Making Groups
- Problem-Factorization by Making Groups
- Factoring Square of Sum Or Difference of Two Terms
- Problem 1: Factoring Square of Sum Or Difference of Two Terms
- Factoring Difference of Square of Two Terms
- Problem-Factoring Difference of Square of Two Terms

###### 6.3: Manipulation of Algebraic Expression

- Manipulation of Algebraic Expression
- More on Manipulation of Algebraic Expression
- Problem1-Manipulation of Algebraic Expression
- Problem2-Manipulation of Algebraic Expression

###### 6.4: Simulataneous Linear Equations (Practice Test)

- Recognizing and formation of Linear Equations in One and Two Variabl
- Solution of a Linear Equation in Two Unknowns
- Solution of Two Linear Equations Involving Two Variables
- Problem-Solution of Two Equations Involving Two Variables
- Problems Involving Linear Equations in Two Variables

###### 6.5: Solution of Simultaneous Linear Equations (Practice Test)

- Finding Solution Using Method of Equating the Coefficients
- Elimination by Substitution Method
- Finding Solution Using Method of Cross Multiplication
- Solving Simultaneous Linear Equations -p1
- More on Solving Simultaneous Linear Equations -p1
- Solving Simultaneous Linear Equations -p2
- More on Solving Simultaneous Linear Equations -p2

###### 6.6: Elimination (Practice Test)

- Concept of Elimination
- Elimination by Substitution Method
- Problem-Elimination of a Variable from Two Equations-Substitution
- Elimination by the Application of Formulae
- Problem-Elimination of a Variable from Two Equations-Formula
- More on Problem-Elimination of a Variable from Two Equations-Formula

##### Chapter 7: Fundamentals of Geometry (17 videos) (Practice Test)

###### 7.1: Parallel Lines

- Concept of Parallel Lines
- Properties of Parallel Lines
- Vertically Opposite Angles
- Concept of Corresponding Angles
- Concept of Alternate Interior Angles
- Concept of Interior Angles
- Problem- Finding Angles Formed by a Transversal

###### 7.2: Polygons

- Concept of Polygon
- Demonstrate the properties of a parallelogram
- Concept of Regular Pentagon, Hexagon & Octagon

###### 7.3: Circle (Practice Test)

- Introduction to Circle & its Characteristics
- Point Lying in the Interior and Exterior of a Circle
- Chord , Diameter & Circumference of a Circle
- Arc of a Circle
- Segment & Sector of a Circle
- Concept of Secant & Tangent Line
- Concept of Adjacent Angles

##### Chapter 8: Practical Geometry (21 videos)

###### 8.1: Converging (non-Parallel) Lines (Practice Test)

- Angle Between Two Converging Lines
- Bisect the Angle Between Two Converging Lines
- More on Bisect the Angle Between Two Converging Lines
- Constructing Square Using Diagonals
- Constructing Square Using Difference of Diagonal and Side
- More on Constructing Square Using Difference of Diagonal and Side
- Constructing Square Using Sum of Diagonal and Side
- More on Constructing Square Using Sum of Diagonal and Side
- Construction of Rectangle
- Constructing Rectangle Using Diagonal and Side
- Construction of Rhombus Using Side and Base Angle
- Construction of Rhombus Using Side and Diagonal
- Construction of Parallelogram
- Case1-When Two Adjacent Sides-Included Angle are Given
- More on Case1-When Two Adjacent Sides-Included Angle are Given
- Case2-When Two Adjacent Sides-Diagonal are Given
- Construction of a Kite
- Constructing Regular Pentagon
- Constructing Regular Hexagon

###### 8.2: Construction of a Right Angled Triangle

- Constructing Right Triangle Using Hypotenuse and Side
- Constructing Right Triangle Using Hypotenuse and Height
- More on Constructing Right Triangle Using Hypotenuse and Height

##### Chapter 9: Areas and Volume (12 videos) (Practice Test)

###### 9.1: Pythagoras Theorem (Practice Test)

###### 9.2: Hero’s Formula (Practice Test)

- Concept of Herons Formula
- Area of Quadrilateral Regions by Hero’s Formula
- Area of Triangle by Heros Formula

###### 9.3: Surface Area and Volume of Sphere (Practice Test)

- Concept of Volume
- Concept of Surface Area
- Surface Area of a Sphere
- Volume of a Sphere
- Concept of Cone
- Surface Area of a Cone
- Volume of a Cone

##### Chapter 10: Demonstrative Geometry (18 videos) (Practice Test)

###### 10.1: Define Demonstrative Geometry (Practice Test)

- Definition of Demonstrative Geometry
- Fundamental Concepts of Geometry
- Elements in proving a geometrical theorem
- Corollary and Converse of Theorem

###### 10.2: Theorems (Practice Test)

- Supplementary Angle Theorem
- Corollary of Supplementary Angle Theorem
- Straight Angle Theorem
- Corollaries of Straight Angle Theorem
- If two lines intersect each other,than vertical angles are congruent
- SAS Theorem
- Corollary of SAS Theorem
- Playfair’s Axiom
- Base Angle Theorem
- Corollary of Base Angle Theorem
- Triangle Sum Theorem
- Exterior Angle Theorem
- Alternate Angles Theorem
- If a transversal intersects two parallel lines

##### Chapter 11: Introduction to Trigonometry (10 videos) (Practice Test)

###### 11.1: Trigonometry (Practice Test)

- Introduction to Trigonometry
- Problem-Introduction to Trigonometry
- Trigonometric Ratios of an Acute Angle
- Problem-Trigonometric Ratios of An Acute Angle
- Trigonometric ratios of 45 degree
- Problem-Trigonometric Ratios of An Angle of 45 Degree
- Trigonometric ratios of 30 degree and 60 degree
- Problem-Trigonometric Ratios of Angles of 30 & 60 Degree
- Trigonometric Ratios of an Complementary Angles
- Problem 1: Trigonometric Ratios of an Complementary Angles

##### Chapter 12: Information Handling (17 videos) (Practice Test)

###### 12.1: Frequency and Frequency Distribution (Practice Test)

- Class interval & Class Limits
- Construction of Continuous Frequency Table
- Problem 1: Construction of Continuous Frequency Table
- Graph of Frequency Distribution by Histogram
- Problem 1: Constructing Histogram with Equal Intervals
- Problem-Concept of Histogram

###### 12.2: Measures of Central Tendency (Practice Test)

- Problem-Concept of an Average ( Arithmetic Mean )
- Problem-Solve Real Life Problems Involving Average
- Arithmetic Mean (A.M) for Ungrouped Data
- Problem 1: A.M of Ungrouped Data by Direct Method
- Concept of Weighted Mean
- Problem-Concept of Weighted Mean
- Mode for Ungrouped Discrete Data
- Problem 1: Mode for Ungrouped Discrete Data
- Median of Primary Data
- Problem-Median of Primary Data
- Real Life Problem Involving Central Tendency

### General Science Class-8

##### Chapter 1: Man and Environment -I (Sense Organs in Man) (18 videos)

###### 1.1: Introduction

###### 1.2: Sense Organ In Man

###### 1.3: Sense of Sight (Practice Test)

- The Structure of eye
- How Do We See?
- Shortsightedness
- Farsightedness
- Sex Linked Inheritance, Clour Blindness

###### 1.4: Sense of Hearing (Practice Test)

###### 1.5: Sense of Touch (Practice Test)

###### 1.6: Sense of Taste

###### 1.7: Sense of Smell

###### 1.8: Nervous System (Practice Test)

##### Chapter 2: Man and Environment- II (Interdependence) (21 videos) (Practice Test)

###### 2.1: Man and Environment (Practice Test)

###### 2.2: Ecosystem

###### 2.3: Food Relationships (Practice Test)

###### 2.4: Recycling (Practice Test)

- Flow of Energy
- Flow of Materials
- Maintenance of Carbon Dioxide Level in Nature
- Nitrogen Cycle, Formation of Nitrates
- Water Cycle or Hydrological Cycle

###### 2.5: Useful and Harmful Animals and pLants to Man

###### 2.6: Harmful and Useful Micro-organism (Practice Test)

###### 2.7: Pollution (Practice Test)

- Land Pollution
- Water Pollution
- Air Pollution
- Noise Pollution
- How to Control Pollution?
- Control of Pollution

###### 2.8: Conservation of Forests and Wild Life

##### Chapter 3: Elements in Man and Environment (24 videos) (Practice Test)

###### 3.1: Matter and Environment

###### 3.2: Review (Practice Test)

###### 3.3: Composition of Non Living Matter

###### 3.4: Composition of Living Matter

###### 3.5: Elements and Their Symbols (Practice Test)

###### 3.6: Physical Properties of Elements

###### 3.7: Other Properties of Elements (Practice Test)

###### 3.8: Metals and Non-metals

###### 3.9: Reactivity of Metals and Non-metals

###### 3.10: Compounds, Formation of Compounds and Chemical formula (Practice Test)

###### 3.11: Reactions of Metals with Non-metals (Practice Test)

###### 3.12: Reactions of Non-metals with Non-metals

###### 3.13: Reactions of Metals with Water

###### 3.14: Distribution of Metals and Non-metals in Planet Earth

###### 3.15: Role of Elements in Human Body

##### Chapter 4: Some Common Gases (19 videos) (Practice Test)

###### 4.1: Oxygen (Practice Test)

###### 4.2: Laboratory Preparation of Oxygen

###### 4.3: Properties of Oxygen (Practice Test)

- Physical Properties of Oxygen
- Reactions of Oxygen with Metals
- Reactions of Oxygen with Non-metals
- Reactions of Oxygen with Methane
- Test for oxygen

###### 4.4: Uses of Oxygen

###### 4.5: Carbon Dioxide (Practice Test)

###### 4.6: Preparation of Carbon Dioxide

###### 4.7: Properties of Carbon Dioxide (Practice Test)

- Physical Properties of Carbondioxide
- Chemical Properties of Carbondioxide
- More on Chemical Properties of Carbondioxide

###### 4.8: Uses of Carbon Dioxide

###### 4.9: The Carbon Dioxide Cycle

###### 4.10: Greenhouse Effect

##### Chapter 5: Solutions, Acids, Bases and Salts (22 videos) (Practice Test)

###### 5.1: Solution (Practice Test)

- Introduction to Solutions
- Types of Solutions on the Basis of Physical States
- General Properties of Solutions

###### 5.2: Quantity of Solute in a Solution

###### 5.3: Conductance of Electricity Through Solutions (Practice Test)

- Electrical Conductance
- Concepts of Electrolytes
- More on Electrolytes and Non-Electrolytes
- Acids and Common Sources
- General Properties of Acids
- Reaction of Acids with Metals
- Bases
- General Properties of Bases
- Reaction of Ammonium Salts with Bases

###### 5.6: Indicators (Practice Test)

###### 5.7: Neutralization

###### 5.8: Salts

###### 5.9: Uses OF Acids, Bases/Alkalis and Salts (Practice Test)

- Uses of Hydrochloric Acid
- Uses of Nitric Acids
- Uses of Sulphuric Acid
- Uses of Acids
- Uses of Alkalis
- Uses of Bases

##### Chapter 6: Sound (14 videos) (Practice Test)

###### 6.1: How Sound is Produced

###### 6.2: How Does Sound Travel?

###### 6.3: How Does Sound Travel in All Directions

###### 6.4: Sound Waves Travel Through Solids

###### 6.5: Sound Waves Travel Through Liquids

###### 6.6: Sound Waves can not Travel Through Vacuum

###### 6.7: Characteristics of Sound (Practice Test)

- Pitch of Sound
- Wave Characteristics of Sound Waves
- Loudness of Sound
- More on Wave Characteristics of Sound Waves
- Wavelength And Amplitude of Sound Waves

###### 6.8: Sound Pollution

###### 6.9: The Ear As a Reciever

###### 6.10: Reflection of Sound

###### 6.11: Echo as Reflection of Sound

##### Chapter 7: Lights (22 videos) (Practice Test)

###### 7.1: Images and Plane Mirrors

###### 7.2: Reflection

###### 7.3: Regular and Irregular Reflection

###### 7.4: Refraction (Practice Test)

###### 7.5: Spherical Mirrors (Practice Test)

###### 7.6: Reflection by Spherical Mirrors

###### 7.7: Formation of Images by Spherical Mirrors

###### 7.8: Lenses

###### 7.9: Principal Axis and Centres of Curvature

###### 7.10: The Principal Focus of a Lens

###### 7.11: Formation of Images by a Convex Lens

###### 7.12: Images Formed by a Convex Lens

###### 7.13: Images Formed by a Concave Lens

###### 7.14: Uses of Mirrors and Lenses

###### 7.15: Dispersion of Light

###### 7.16: Rainbow

###### 7.17: Colours of Opaque Objects

###### 7.18: Colours of Transparent Objects

###### 7.19: Primary Colours

##### Chapter 8: Electricity And Magnetism (23 videos) (Practice Test)

###### 8.1: Sources of Electricity (Practice Test)

- Mechanical Means
- Chemical Effect of Current
- Voltaic Cell is Reversible Cell
- Dry Cell
- By Means of Heat
- Nuclear Reactor
- Solar Energy

###### 8.2: Electric Power Supply (Practice Test)

###### 8.3: Electric Circuits

###### 8.4: Electrical Appliances

###### 8.5: Precautions and Safety Measures

- Safety Devices To Avoid Electrical Hazards
- More on Safety Devices To Avoid Electrical Hazards
- Why is Electricity Dangerous?