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Multiply Two Rounded Numbers

In this worksheet, students will use their rounding skills to round numbers to the nearest 10 before multiplying the numbers together.

'Multiply Two Rounded Numbers' worksheet

Key stage:  KS 2

Year:  Year 5 Maths worksheets

Curriculum topic:   Number: Multiplication and Division

Curriculum subtopic:   Multiply Numbers to Four Digits

Popular topics:   Rounding worksheets

Difficulty level:  

Worksheet Overview

In this activity, we will 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

 

Answer

 

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 = 3,200

 

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