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Add Decimals and Estimate the Answer (1)

In this worksheet, students estimate additions by rounding both decimals to the nearest whole numbers before adding them.

'Add Decimals and Estimate the Answer (1)' worksheet

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Decimals

Difficulty level:  

Worksheet Overview

We can estimate answers to complicated additions by rounding both decimals to the nearest whole numbers before adding them together.

 

Example:

64.51 + 18.15 can be estimated by working out 65 + 18

= 83

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