Year 8 · Maths

Use Approximation To Estimate Calculate Answers

Year 8 learners practise estimating answers by rounding.

The activities include Estimate By Rounding to One Significant Figure Using Decimal Numbers, Estimate Measures, Estimate with Decimals, and related practice. The checked support below includes teaching, video, lesson, practice. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.

Activities covered

Estimate By Rounding to One Significant Figure Using Decimal Numbers
Estimate Measures
Estimate with Decimals
Estimate with Whole Numbers

Checked learning resources

Choosing sensible estimates for measures worked-example lesson

Corbettmaths · Teaching · Opens on the provider website

Choose realistic estimated values for everyday lengths, masses, capacities and other measurements.
Estimation and rounding

Oak National Academy · Teaching · Opens on the provider website

Current Oak teacher unit support for Use Approximation To Estimate Calculate Answers; selected after reading the full activity context: In this worksheet, students will learn to estimate by rounding to a given number of
Rounding and estimating

BBC Bitesize · Teaching · Opens on the provider website

BBC Bitesize corpus page for Use Approximation To Estimate Calculate Answers; supports the full activity context: In this worksheet, students will learn to estimate by rounding to a given number of significant figures us
Estimate with Decimals video

Corbettmaths Primary · Video · Opens on the provider website

Year 8 Maths video matched to estimate with decimals.
Estimation and rounding

Oak National Academy · Lesson · Opens on the provider website

Year 8 Maths resource matched to estimating answers by rounding.
Estimate with Decimals practice

Corbettmaths Primary · Practice · Opens on the provider website

Year 8 Maths practice matched to estimate with decimals.
Estimating calculations by rounding video

YouTube - Cognito · Video · Opens on the provider website

Caption-checked lesson rounds decimal and whole-number values to one significant figure before estimating calculations.
Introduction to the Metric System

YouTube — Math Antics · Video · Opens on the provider website

Learner-focused lesson establishes realistic benchmarks for millimetres, centimetres, metres, kilometres, grams, kilograms, millilitres and litres before estimating measures.