 # Repeated Addition or Multiplication of Decimals by a Whole Number

In this worksheet, students multiply decimals by whole numbers. Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Decimals

Difficulty level:   ### QUESTION 1 of 10

In this worksheet, you must multiply decimal numbers by a whole number.

Example:

Here are two methods for working out 4 lots of 1.64.

Find four lots of 1.64.
Here we add 1.64 four times.
1.64
1.64
1.64
1.64

Here we multiply 1.64 by 4.

Remember, multiply 164 by 4

 164 4 x 400 4 x 100 240 4 x 60 16 4 x 4 656

Answer: 656 ÷ 100 = 6.56.

Your two answers should be the same, but it is quicker to multiply when using larger numbers.

Find the answer to the given question and write just the answer in the box below.

8 lots of 5.2 =
 ?

Find the answer to the given question and write just the answer in the box below.

8 lots of 1.95 =
 ?

Find the answer to the given question and write just the answer in the box below.

9 lots of 9.1 =
 ?

Find the answer to the given question and write just the answer in the box below.

9 lots of 9.37 =
 ?

Find the answer to the given question and write just the answer in the box below.

10 lots of 8.9 =
 ?

Find the answer to the given question and write just the answer in the box below.

10 lots of 2.24 =
 ?

Find the answer to the given question and write just the answer in the box below.

10 lots of 3.2 =
 ?

Find the answer to the given question and write just the answer in the box below.

10 lots of 4.63 =
 ?

Find the answer to the given question and write just the answer in the box below.

7 lots of 7.2 =
 ?

Find the answer to the given question and write just the answer in the box below.

5 lots of 16.2 =
 ?
• Question 1

Find the answer to the given question and write just the answer in the box below.

8 lots of 5.2 =
 ?
41.6
• Question 2

Find the answer to the given question and write just the answer in the box below.

8 lots of 1.95 =
 ?
15.6
• Question 3

Find the answer to the given question and write just the answer in the box below.

9 lots of 9.1 =
 ?
81.9
• Question 4

Find the answer to the given question and write just the answer in the box below.

9 lots of 9.37 =
 ?

84.33
• Question 5

Find the answer to the given question and write just the answer in the box below.

10 lots of 8.9 =
 ?
89
• Question 6

Find the answer to the given question and write just the answer in the box below.

10 lots of 2.24 =
 ?
22.4
• Question 7

Find the answer to the given question and write just the answer in the box below.

10 lots of 3.2 =
 ?
32
• Question 8

Find the answer to the given question and write just the answer in the box below.

10 lots of 4.63 =
 ?
46.3
• Question 9

Find the answer to the given question and write just the answer in the box below.

7 lots of 7.2 =
 ?
50.4
• Question 10

Find the answer to the given question and write just the answer in the box below.

5 lots of 16.2 =
 ?
81
---- OR ----

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