 # Decimals: Multiplying by 10

In this worksheet, students multiply numbers by 10 by shifting digits one place to the left in a grid. Key stage:  KS 2

Curriculum topic:   Number: Multiplication and Division

Curriculum subtopic:   Multiply/Divide Using Decimals

Difficulty level:   ### QUESTION 1 of 10

When we multiply numbers by 10, we do not simply add a 0 to the end.

When the numbers are decimals, this rule does not work.

5.46 × 10 does not equal 5.460

When we multiply numbers by 10, each digit must move one place to the left.

When we look at the columns in a Th, H, T, U grid we notice that Thousands are 10 times bigger than Hundreds, which are 10 times bigger than Tens, which are 10 times bigger than Units etc...

e.g. Work out:

5.46 × 10 = 54.6

Here is 5.46 in a Th, H, T, U grid. So 5.46 × 10 = 54.6

Want to understand this further and learn how this links to other topics in maths?

Why not watch this video?

Work out:

5.38 x 10 Work out:

5.07 x 10 Work out:

6.99 x 10 Work out:

12.35 x 10 Work out:

10.3 x 10 Work out:

10.75 x 10 Work out:

10.123 x 10 Work out:

0.123 x 10 Work out:

0.23 x 10 Work out:

0.03 x 10 • Question 1

Work out:

5.38 x 10 53.8
• Question 2

Work out:

5.07 x 10 50.7
• Question 3

Work out:

6.99 x 10 69.9
• Question 4

Work out:

12.35 x 10 123.5
• Question 5

Work out:

10.3 x 10 103
• Question 6

Work out:

10.75 x 10 107.5
• Question 7

Work out:

10.123 x 10 101.23
• Question 8

Work out:

0.123 x 10 1.23
• Question 9

Work out:

0.23 x 10 2.3
• Question 10

Work out:

0.03 x 10 0.3
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