1. Large number around us

    1. PT3 Revision I - Large number around us

    2. PT3 Revision II - Large number around us

    3. Annual Revision I - Large number around us

  2. Arithmetics Expressions

    1. PT3 Revision I - Arithmetics Expressions

    2. PT3 Revision II - Arithmetics Expressions

    3. Annual Revision I - Arithmetics Expressions

  3. A Peek Beyond A Point

    1. A tenth part and hundredth part

    2. Problems - Tenth and Hundredth Part

    3. Decimal Place Value

    4. PT3 Revision I - A Peak beyond the point

    5. Annual Revision I - A Peak beyond the point

  4. Expressions using letter number

    1. PT3 Revision I - Expressions using letter number

    2. Annual Revision I - Expressions using letter number

  5. Parallel and Intersecting Lines

    1. Linear Pair of Angles

    2. Vertically Opposite Angles

    3. Parallel and Perpendicular Lines

    4. Transversal

    5. Corresponding and Alternate Angles I

    6. Corresponding and Alternate Angles II

    7. Corresponding and Alternate Angles III

    8. Applications of Transversals

    9. Mixed Practice Problems

    10. PT3 Revision I - Parallel and intersecting lines

    11. Annual Revision I - Parallel and intersecting lines

    12. Chapter Test - Parallel and intersecting lines

  6. Number Play

    1. Numbers Tell us Things and Picking Parity

    2. Applications of Picking Parity

    3. Parity expressions

    4. Some Explorations in Grids

    5. Magic Square

    6. The Virahāṅka–Fibonacci Numbers

    7. Problems on the Virahāṅka–Fibonacci Numbers

    8. Digits in Disguise

    9. Application problems

    10. Mixed Practice Problems

    11. Revision - Number Play

    12. PT3 Revision I -Number play

    13. Annual Revision I - Number play

    14. Number Play - Chapter Test

  7. A Tale of Three Intersecting lines

    1. When Three Lines Meet!

    2. Three sides, Three Personalities

    3. Can This Triangle Exist?

    4. Angles Make the Difference

    5. 180° - The Magic Rule!

    6. Exterior Equals the Sum!

    7. Design by Sides

    8. Designing with angles

    9. Triangle Tales Revisited!

    10. PT3 Revision I - A Tale of three intersecting lines

    11. PT3 Revision II - A Tale of three intersecting lines

    12. Annual Revision I - A Tale of three intersecting lines

  8. Working with fractions

    1. Fractions in Daily Life

    2. Multiplication of Fraction and whole numbers

    3. Multiplying two Fractions with Area Models

    4. General Rule for Multiplying Fractions

    5. Relationship Between Numbers and Products

    6. Division of Fractions

    7. Problems - Division of Fractions

    8. Fractional Relations & Geometry Links

    9. Problems - Division and Multiplication of fractions

    10. Revision - Working with fraction

    11. Annual Revision I - Working with fractions