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  1. Maths
  2. Year 5
  3. Estimating and Rounding
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Round Numbers to the Nearest Ten

In this worksheet, students round numbers to the nearest 10 before multiplying to find an estimated answer.

'Round Numbers to the Nearest Ten' worksheet

Key stage:  KS 2

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Use Rounding for Answers/Accuracy

Difficulty level:  

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Worksheet Overview

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

 

Example

 

Question:

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

*Remember to round down if the ones are 1, 2, 3 or 4. If the ones are 5, 6, 7, 8 or 9 round up!

 

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 = 3200.

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