# Decimals: Multiplying by 10, 100, 1000

In this worksheet, students multiply whole numbers and those involving decimals by 10, 100 and 1000.

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 whole numbers and those involving decimals by 10, 100 and 1000.

Multiplying by 10 moves all digits one place to the left.

Multiplying by 100 moves all digits two places to the left.

Multiplying by 1000 moves all digits three places to the left and so on.

Remember that when a digit moves from the tenths place to the units place, it hops over the decimal point.

Examples

24 × 10 = 240
31.2 × 100 = 3120
0.7 × 1000 = 700

(We need zeros to fill in the gaps in the columns.)

Work out:

458.92 × 100

=

Work out:

650.16 × 10

=

Work out:

639.68 × 1000

=

Work out:

636.62 × 1000

=

Work out:

65.2 × 10

=

Work out:

187.99 × 100

=

Work out:

75.99 × 10

=

Work out:

849.83 × 100

=

Work out:

836.39 × 1000

=

Work out:

287.79 × 10

=

• Question 1

Work out:

458.92 × 100

=

CORRECT ANSWER
45892
EDDIE SAYS
The digits move 2 places to the left.
• Question 2

Work out:

650.16 × 10

=

CORRECT ANSWER
6501.6
EDDIE SAYS
The digits move 1 place to the left.
• Question 3

Work out:

639.68 × 1000

=

CORRECT ANSWER
639680
EDDIE SAYS
The digits move 3 places to the left.
• Question 4

Work out:

636.62 × 1000

=

CORRECT ANSWER
636620
EDDIE SAYS
The digits move 3 places to the left.
• Question 5

Work out:

65.2 × 10

=

CORRECT ANSWER
652
EDDIE SAYS
The digits move 1 place to the left.
• Question 6

Work out:

187.99 × 100

=

CORRECT ANSWER
18799
EDDIE SAYS
The digits move 2 places to the left.
• Question 7

Work out:

75.99 × 10

=

CORRECT ANSWER
759.9
EDDIE SAYS
The digits move 1 place to the left.
• Question 8

Work out:

849.83 × 100

=

CORRECT ANSWER
84983
EDDIE SAYS
The digits move 2 places to the left.
• Question 9

Work out:

836.39 × 1000

=

CORRECT ANSWER
836390
EDDIE SAYS
The digits move 3 places to the left.
• Question 10

Work out:

287.79 × 10

=

CORRECT ANSWER
2877.9
EDDIE SAYS
The digits move 1 place to the left.
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