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Using a Calculator to Multiply by Decimal Numbers Between 0 and 1

In this worksheet, students use a calculator to multiply by decimal numbers between 0 and 1.

'Using a Calculator to Multiply by Decimal Numbers Between 0 and 1' worksheet

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Calculators/Technology for Accuracy

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

When you multiply any number by 1 it remains the same.

For example, 24 × 1 = 24      79 × 1 = 79     38.97 × 1 = 38.97 

When you multiply a number by a decimal between 0 and 1 something surprising happens.


79 x 0.1 = 7.9

24 x 0.7 = 16.8

 

Multiplying by 0.1 is the same as dividing by 10.

Your answer is smaller than the number you are multiplying.

Now use your calculator to answer the following questions.

 

Multiply the number & write the answer.

487 × 0.2 =
 

Multiply the number & write the answer.

440 × 0.3 =
 

Multiply the number & write the answer.

380 × 0.6 =
 

Multiply the number & write the answer.

659 × 0.4 =
 

Multiply the number & write the answer.

159 × 0.5 =
 

Multiply the number & write the answer.

122 × 0.7 =
 

Multiply the number & write the answer.

125 × 0.1 =
 

Multiply the number & write the answer.

990 × 0.7 =
 

Multiply the number & write the answer.

37 × 0.2 =
 

Multiply the number & write the answer.

553 × 0.4 =
 
  • Question 1

Multiply the number & write the answer.

487 × 0.2 =
 
CORRECT ANSWER
97.4
  • Question 2

Multiply the number & write the answer.

440 × 0.3 =
 
CORRECT ANSWER
132
  • Question 3

Multiply the number & write the answer.

380 × 0.6 =
 
CORRECT ANSWER
228
  • Question 4

Multiply the number & write the answer.

659 × 0.4 =
 
CORRECT ANSWER
263.6
  • Question 5

Multiply the number & write the answer.

159 × 0.5 =
 
CORRECT ANSWER
79.5
  • Question 6

Multiply the number & write the answer.

122 × 0.7 =
 
CORRECT ANSWER
85.4
  • Question 7

Multiply the number & write the answer.

125 × 0.1 =
 
CORRECT ANSWER
12.5
  • Question 8

Multiply the number & write the answer.

990 × 0.7 =
 
CORRECT ANSWER
693
  • Question 9

Multiply the number & write the answer.

37 × 0.2 =
 
CORRECT ANSWER
7.4
  • Question 10

Multiply the number & write the answer.

553 × 0.4 =
 
CORRECT ANSWER
221.2
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