Year 6 · Maths

Use Estimation To Check Answers

Year 6 learners practise using rounding to estimate and check answers.

The activities include Estimate Answers to Addition Questions Using Rounding, Practise Rounding Decimals to Estimate Answers to Additions, Round Decimals and Estimate the Answer to an Addition, and related practice. The checked support below includes video, lesson, teaching, worksheet. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.

Activities covered

Estimate Answers to Addition Questions Using Rounding
Practise Rounding Decimals to Estimate Answers to Additions
Round Decimals and Estimate the Answer to an Addition
Round Decimals to Nearest Whole Number and Estimate Answers
Use Rounding to Check if Answers to Questions are Reasonable
Use Rounding to Estimate Answers

Checked learning resources

Estimating when adding multi-digit numbers

Khan Academy · Video · Opens on the provider website

Khan Academy worked video on estimating sums by rounding, supporting checking answers and rounding-based estimates.
Planit Maths Y6 Addition Subtraction Multiplication And Division Lesson Pack Estimation 2

Twinkl · Lesson · Account may be required

Year 6 lesson pack teaching children to check answers using rounding and estimation, with lesson plan, presentation and differentiated worksheets.
Rounding and solving problems with numbers up to 7 digits

Oak National Academy · Teaching · Opens on the provider website

Free Year 6 Oak unit whose prior knowledge and threads include estimating and checking answers using rounding across addition and subtraction contexts.
Year 6 Calculation Estimation Maths Mastery Activities

Twinkl · Worksheet · Account may be required

Year 6 maths mastery activities based around the objective to use estimation to check answers.
Round any number to the nearest 10, 100 or 1000

Mathsframe · Interactive · Opens on the provider website

Free rounding game collection with Year 6 levels for rounding decimals with up to three decimal places to the nearest whole, one decimal place or two decimal places.
Year 6 Maths Lesson Plan: Estimation

Twinkl · Teaching · Opens on the provider website

missing: round; trusted source; year6/KS2 signal
Using Rounding to Check Answers Activity Sheet

Twinkl · Worksheet · Account may be required

KS2 activity sheets for applying rounding to the nearest 10 and 100 to check answers to addition calculations.
Planit Maths Y6 Addition Subtraction Multiplication And Division Lesson Pack Estimation 3

Twinkl · Lesson · Opens on the provider website

Year 6 Maths resource matched to using rounding to estimate and check answers.