Chapter 1

Integers

Properties of Addition and Subtraction

medium • 1 min read

Multiplication of Integers

medium • 2 min read

Properties of Multiplication

medium • 3 min read

Division of Integers

medium • 4 min read

Properties of Division

medium • 5 min read

Chapter 2

Fractions and Decimals

Multiplication of Fractions

medium • 1 min read

Division of Fractions

medium • 2 min read

Multiplication of Decimal Numbers

medium • 3 min read

Division of Decimal Numbers

medium • 4 min read

Word Problems on Fractions and Decimals

medium • 5 min read

Chapter 3

Data Handling

Collecting and Organising Data

medium • 1 min read

Representative Values

medium • 2 min read

Arithmetic Mean

medium • 3 min read

Mode and Median

medium • 4 min read

Bar Graphs and Probability

medium • 5 min read

Chapter 4

Simple Equations

Setting Up an Equation

medium • 1 min read

Solving an Equation

medium • 2 min read

Applications of Simple Equations

medium • 3 min read

From Solution to Equation

medium • 4 min read

Transposing Method

medium • 5 min read

Chapter 5

Lines and Angles

Related Angles

medium • 1 min read

Complementary and Supplementary Angles

medium • 2 min read

Adjacent Angles and Linear Pair

medium • 3 min read

Vertically Opposite Angles

medium • 4 min read

Intersecting Lines and Transversals

medium • 5 min read

Chapter 6

The Triangle and its Properties

Medians and Altitudes of a Triangle

medium • 1 min read

Exterior Angle of a Triangle

medium • 2 min read

Angle Sum Property of a Triangle

medium • 3 min read

Equilateral and Isosceles Triangles

medium • 4 min read

Right-Angled Triangles and Pythagoras Property

medium • 5 min read

Chapter 7

Congruence of Triangles

Congruence of Plane Figures

medium • 1 min read

Congruence Among Line Segments and Angles

medium • 2 min read

Congruence of Triangles

medium • 3 min read

Criteria for Congruence of Triangles

medium • 4 min read

Congruence Among Right-Angled Triangles

medium • 5 min read

Chapter 8

Comparing Quantities

Equivalent Ratios

medium • 1 min read

Percentage - Another Way of Comparing

medium • 2 min read

Converting Fractional Numbers to Percentage

medium • 3 min read

Use of Percentages

medium • 4 min read

Prices and Simple Interest

medium • 5 min read

Chapter 9

Rational Numbers

Need for Rational Numbers

medium • 1 min read

Positive and Negative Rational Numbers

medium • 2 min read

Rational Numbers on a Number Line

medium • 3 min read

Rational Numbers in Standard Form

medium • 4 min read

Operations on Rational Numbers

medium • 5 min read

Chapter 10

Practical Geometry

Construction of Parallel Lines

medium • 1 min read

Construction of Triangles

medium • 2 min read

SSS Criterion Construction

medium • 3 min read

SAS Criterion Construction

medium • 4 min read

ASA and RHS Criterion Construction

medium • 5 min read

Chapter 11

Perimeter and Area

Squares and Rectangles

medium • 1 min read

Area of a Parallelogram

medium • 2 min read

Area of a Triangle

medium • 3 min read

Circles and Circumference

medium • 4 min read

Conversion of Units and Applications

medium • 5 min read

Chapter 12

Algebraic Expressions

How are Expressions Formed?

medium • 1 min read

Terms of an Expression

medium • 2 min read

Like and Unlike Terms

medium • 3 min read

Addition and Subtraction of Algebraic Expressions

medium • 4 min read

Finding the Value of an Expression

medium • 5 min read