Class 8 Mathematics Important Questions
Rational Numbers Important Questions
Rational Numbers — Important Questions 1. Verify the distributive property for , , . 2. Write the additive inverse and the reciprocal of . 3. Find a rational number between and .…
Linear Equations in One Variable Important Questions
Linear Equations in One Variable — Important Questions 1. Solve: . 2. Solve: . 3. The sum of two numbers is 45 and one is twice the other. Find the numbers. 4. Solve: . 5. Check w…
Understanding Quadrilaterals Important Questions
Understanding Quadrilaterals — Important Questions 1. Find the sum of the interior angles of a hexagon. 2. Each exterior angle of a regular polygon is . Find the number of sides.…
Squares and Square Roots Important Questions
Squares and Square Roots — Important Questions 1. Find the square of 25 using a suitable method. 2. Find by prime factorisation. 3. Is 90 a perfect square? Justify. 4. Write a Pyt…
Cubes and Cube Roots Important Questions
Cubes and Cube Roots — Important Questions 1. Find the cube of 12. 2. Find by prime factorisation. 3. Is 243 a perfect cube? Justify. 4. Find the smallest number by which 72 must…
Comparing Quantities Important Questions
Comparing Quantities — Important Questions 1. A shirt marked ₹800 is sold at a 15% discount. Find the sale price. 2. Find the compound interest on ₹5000 at 10% per annum for 2 yea…
Algebraic Expressions and Identities Important Questions
Algebraic Expressions and Identities — Important Questions 1. Multiply: . 2. Use an identity to find . 3. Expand . 4. Find the product using an identity. 5. Simplify . 6. Evaluate…
Mensuration Important Questions
Mensuration — Important Questions 1. Find the area of a trapezium with parallel sides 10 cm and 6 cm and height 5 cm. 2. Find the area of a rhombus with diagonals 12 cm and 16 cm.…
Exponents and Powers Important Questions
Exponents and Powers — Important Questions 1. Evaluate . 2. Simplify: . 3. Express in standard form. 4. Find the value of . 5. Simplify . 6. Express as a whole number.
Direct and Inverse Proportions Important Questions
Direct and Inverse Proportions — Important Questions 1. If 5 kg of sugar costs ₹250, find the cost of 8 kg (direct proportion). 2. 6 workers finish a job in 12 days. How many days…
Factorisation Important Questions
Factorisation — Important Questions 1. Factorise: . 2. Factorise by regrouping: . 3. Factorise: . 4. Factorise: . 5. Factorise: . 6. Divide by .
Introduction to Graphs Important Questions
Introduction to Graphs — Important Questions 1. State the difference between a bar graph and a line graph. 2. Plot the point and state which axis is horizontal. 3. What are the co…