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Multiply Decimal Numbers by One-Digit Numbers

In this worksheet, students practise multiplying a decimal number by a single digit number by 'getting rid of the decimal' first.

'Multiply Decimal Numbers by One-Digit Numbers' worksheet

Key stage:  KS 2

Curriculum topic:  Number: Fractions, Decimals and Percentages

Curriculum subtopic:  Multiply with Two Decimal Places

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

In this worksheet, we will learn how to multiply a decimal number by a single digit number.

 

 

Example:

Work out 3.87 × 7

 

Answer:

If you multiply 3.87 by 100, you get 387.

Now work out 387 × 7 = 2709

 

Then divide 2709 by 100 to 'cancel out' the fact that you multiplied by 100 earlier. 

This gives the answer 2709 ÷ 100 = 27.09

Work out

1.51 × 9 = _______

Work out

4.08 × 7 = _______

Work out

1.71 × 7 = _______

Find this product

3.25 × 6 = _______

Find the value of

4.47 × 8 = _______

Find this product

2.78 × 7 = _______

Work out

0.5 × 8 = _______

What is

8.43 × 1 = _______ ?

Find this product

4.4 × 6 = _______

Find this product

7.6 × 3 = _______

  • Question 1

Work out

1.51 × 9 = _______

CORRECT ANSWER
13.59
EDDIE SAYS
Multiply 1.51 by 100 to get 151. Do the calculation, then divide your answer by 100.
  • Question 2

Work out

4.08 × 7 = _______

CORRECT ANSWER
28.56
EDDIE SAYS
Multiply 4.08 by 100 to get 408. Do the calculation, then divide your answer by 100.
  • Question 3

Work out

1.71 × 7 = _______

CORRECT ANSWER
11.97
EDDIE SAYS
Multiply 1.71 by 100 to get 171. Do the calculation, then divide your answer by 100.
  • Question 4

Find this product

3.25 × 6 = _______

CORRECT ANSWER
19.5
  • Question 5

Find the value of

4.47 × 8 = _______

CORRECT ANSWER
35.76
  • Question 6

Find this product

2.78 × 7 = _______

CORRECT ANSWER
19.46
  • Question 7

Work out

0.5 × 8 = _______

CORRECT ANSWER
4
EDDIE SAYS
Multiply 0.5 by 10 to get 5. Do the calculation, then divide by 10 to get the answer.
  • Question 8

What is

8.43 × 1 = _______ ?

CORRECT ANSWER
8.43
EDDIE SAYS
A simple one!
  • Question 9

Find this product

4.4 × 6 = _______

CORRECT ANSWER
26.4
EDDIE SAYS
Multiply 4.4 by 10 etc...
  • Question 10

Find this product

7.6 × 3 = _______

CORRECT ANSWER
22.8
---- OR ----

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