Loading please wait

The smart way to improve grades

Comprehensive & curriculum aligned

Try an activity or get started for free

Three-Digit Numbers: Use rounding to estimate answers

In this worksheet, students estimate the answer to an addition by rounding off numbers to the nearest hundred or ten.

'Three-Digit Numbers: Use rounding to estimate answers' worksheet

Key stage:  KS 2

Year:  Year 4 Maths worksheets

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Estimate Calculations and Check Answers

Popular topics:   Rounding worksheets, Estimation worksheets

Difficulty level:  

Worksheet Overview

In this worksheet, we will learn about estimation by rounding numbers to the nearest hundred or ten.



Round these numbers off to the nearest hundred so that the answer can be estimated

321 + 689   can be rounded off to  


Estimated answer is C



A     321 rounds down to 300 to the nearest hundred

B     689 rounds up to 700 to the nearest hundred

C     300 + 700 = 1000

What is EdPlace?

We're your National Curriculum aligned online education content provider helping each child succeed in English, maths and science from year 1 to GCSE. With an EdPlace account you’ll be able to track and measure progress, helping each child achieve their best. We build confidence and attainment by personalising each child’s learning at a level that suits them.

Get started

Try an activity or get started for free