Whole Numbers — Chapter Test | Class 6 IMO

Q1

Which property does 3 × 4 = 4 × 3 show?

Changing the order without changing the result is the commutative property.

Q2

Continue the pattern: 1, 3, 5, 7, ___ ?

Odd numbers go up by 2: 7 + 2 = 9.

Q3

Using the distributive property, 5 × (20 + 1) = ?

5 × 20 + 5 × 1 = 100 + 5 = 105.

Q4

The smallest whole number is ___ ?

The smallest whole number is 0.

Q5

What is the successor of 999?

999 + 1 = 1000.

Q6

Simplify: 7 × (10 + 5) = ?

7 × 15 = 105.

Q7

Simplify: 36 − (6 × 4) = ?

6 × 4 = 24, so 36 − 24 = 12.

Q8

Simplify: (15 + 5) ÷ 4 = ?

Brackets first: 20 ÷ 4 = 5.

Q9

Simplify: 8 + 2 × 5 = ?

Multiply first: 8 + 10 = 18.

Q10

Simplify: 100 − (40 + 30) = ?

Brackets first: 100 − 70 = 30.

Q11

A box holds 5 + 5 = 10 pens. How many pens in 12 such boxes?

12 × 10 = 120 pens.

Q12

A worker earns ₹500 each day. How much in 6 days?

500 × 6 = ₹3,000.

Q13

Simplify: 3 + 4 × (10 − 2) ÷ 8 = ?

10 − 2 = 8, then 4 × 8 ÷ 8 = 4, so 3 + 4 = 7.

Q14

Use the distributive property: 17 × 8 + 17 × 2 = ?

17 × (8 + 2) = 17 × 10 = 170.