 # 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. Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Calculators/Technology for Accuracy

Difficulty level:   ### 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.

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 =
97.4
• Question 2

Multiply the number & write the answer.

440 × 0.3 =
132
• Question 3

Multiply the number & write the answer.

380 × 0.6 =
228
• Question 4

Multiply the number & write the answer.

659 × 0.4 =
263.6
• Question 5

Multiply the number & write the answer.

159 × 0.5 =
79.5
• Question 6

Multiply the number & write the answer.

122 × 0.7 =
85.4
• Question 7

Multiply the number & write the answer.

125 × 0.1 =
12.5
• Question 8

Multiply the number & write the answer.

990 × 0.7 =
693
• Question 9

Multiply the number & write the answer.

37 × 0.2 =
7.4
• Question 10

Multiply the number & write the answer.

553 × 0.4 =
221.2
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