  # Multiply Two Rounded Numbers

In this worksheet, students use their rounding skills to round numbers to the nearest 10 before multiplying the numbers together. Key stage:  KS 2

Curriculum topic:   Number: Multiplication and Division

Curriculum subtopic:   Multiply Numbers to Four Digits

Popular topics:   Rounding worksheets

Difficulty level:   #### Worksheet Overview

In this worksheet, round numbers to the nearest ten to estimate the answer to a multiplication.

Example

Estimate the answer by rounding the numbers to the nearest 10 before multiplying.

78 x 43 A
x
 B
=
 C

78 x 43 80
x
 40
=
 3200

Remember, to work out 80 x 40, we work out 8 x 4 x 10 x 10 = 32 x 100 = 3200

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