Loading please wait

The smart way to improve grades

Comprehensive & curriculum aligned

Try an activity or get started for free

Three-Digit Numbers: Rounding, Adding and Estimating

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

'Three-Digit Numbers: Rounding, Adding and Estimating' worksheet

Key stage:  KS 2

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Estimate Calculations and Check Answers

Difficulty level:  

Worksheet Overview

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

 

Example

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

321 + 689   can be rounded off to  
A
 + 
B

 

Estimated answer is C

 

Answer 

A     321 rounds to 300 to the nearest hundred

B     689 rounds 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
laptop

Try an activity or get started for free

  • educational
  • bettfutures
  • cxa
  • pta
  • era2016
  • BDA award
  • Explore LearningTuition Partner
  • tacm