Year 6 · Maths

Solve Rounding Problems

Year 6 learners practise rounding decimals to estimate answers.

The activities include Estimate the Answer to an Addition by Rounding, Multiply Decimals by Rounding to Whole Numbers, Round Decimals to Nearest Whole Numbers Before Dividing, and related practice. The checked support below includes video, teaching, worksheet, interactive. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.

Activities covered

Estimate the Answer to an Addition by Rounding
Multiply Decimals by Rounding to Whole Numbers
Round Decimals to Nearest Whole Numbers Before Dividing
Round Decimals to Nearest Whole Numbers Before Multiplying
Use Rounding to Estimate Addition of Decimals
Use Rounding to Estimate Subtraction of Decimals

Checked learning resources

Multiply 1-digit numbers by decimal fractions using written methods

Oak National Academy · Video · Opens on the provider website

Free Oak lesson on multiplying with decimal fractions; starter and exit questions include rounding decimals to nearest whole numbers and choosing sensible estimates to check decimal multiplication.
Estimating decimal addition

Khan Academy · Video · Opens on the provider website

Khan video teaches estimating when adding decimals by rounding to the nearest whole number to get a close approximation.
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.
Divide decimal fractions by 1-digit numbers using written methods

Oak National Academy · Video · Opens on the provider website

Free Oak lesson on dividing decimal fractions; key learning points state that estimation should be used to sense-check decimal division answers.
Year 6 Maths Lesson: Using Rounding to Estimate

Twinkl · Teaching · Account may be required

Year 6 lesson pack teaching children to check answers using rounding and estimation, with lesson plan, presentation and differentiated worksheets.
Estimating with dividing decimals

Khan Academy · Worksheet · Opens on the provider website

Free Khan Academy practice estimating decimal division calculations using rounded or compatible numbers.
Estimating with multiplying decimals

Khan Academy · Worksheet · Opens on the provider website

Khan practice set for estimating with multiplying decimals; direct practice for the activity method.
Sixth Grade Estimating Decimal Products Worksheet

Twinkl · Worksheet · Account may be required

Twinkl worksheet is designed for students to practise estimating decimal products by rounding and then multiplying.