Multiply by 10, 100 and 1,000

White Rose Maths • Summer Block 3 • Step 10

24 Graded Items

1 Complete the multiplications.

H	T	O	Tth	Hth
		3	7

a) 3.7 × 10 =

H	T	O	Tth	Hth
	1	4	5

b) 14.5 × 10 =

H	T	O	Tth	Hth
		1	5	8

c) 1.58 × 10 =

H	T	O	Tth	Hth
	1	3	0	6

d) 13.06 × 10 =

💡 Rule: When multiplying a number by 10, the digits move one place to the left.

2 Complete the multiplications.

a) 1.7 × 10 =

d) 13.4 × 10 =

b) 1.75 × 10 =

e) 10 × 13.04 =

c) 1.73 × 10 =

f) 130.4 × 10 =

3 Complete the multiplications.

H	T	O	Tth	Hth
		4	1

a) 4.1 × 100 =

H	T	O	Tth	Hth
		4	1	5

b) 4.15 × 100 =

H	T	O	Tth	Hth
	1	4	5

c) 14.5 × 100 =

H	T	O	Tth	Hth
		4	0	5

d) 4.05 × 100 =

4 Complete the multiplications.

a) 7.2 × 100 =

d) 1.89 × 100 =

b) 3.4 × 100 =

e) 73.57 × 100 =

c) 19.5 × 100 =

f) 1.317 × 100 =

5 Reasoning: Tiny has multiplied 3.8 by 1,000

🐢

The answer is 3.8000

a) What mistake has Tiny made?

b) Work out the correct answer: 3.8 × 1,000 =

7 Complete the conversions.

a) 1.32 m = cm

b) £31.76 = p

c) 0.458 kg = g

d) 1.302 l = ml

8 Tommy is 1.4 m tall.

A tree is 10 times as tall as Tommy. A building is 100 times as tall as Tommy.

a) How tall is the tree? m

b) How much taller is the building than the tree? m