Rounding to Check Answers

Year 5 MathsAddition and Subtraction3 pages

About this worksheet

A cloze worksheet on using rounding to estimate and check answers in Year 5 maths. Pupils fill ten blanks in a passage about checking long calculations, choosing from a twelve-word bank that includes two distractors, then write their own estimate for 51,200 + 38,900 and a sentence explaining why it helps. The answer key includes a model response. Linked to two England National Curriculum rounding objectives.

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Curriculum objectives covered

Number - number and place value

Round any number up to 1 000 000 to the nearest 10, 100, 1000, 10 000 and 100 000

The Your Turn estimate applies rounding to five- and six-digit numbers.

Number - number and place value

Solve number problems and practical problems that involve all of the above

The passage frames rounding as a practical checking habit, not a standalone trick.

What's inside this worksheet

Estimating and Checking Calculations

A cloze passage with ten gaps and a twelve-word bank, two of them distractors.

Using Estimates in Real Life

The passage continues into everyday reasons for estimating before calculating.

Your Turn

Pupils estimate 51,200 + 38,900 by rounding and explain their thinking in a sentence.

Answer key

All ten passage answers plus an example pupil response.

How teachers use it

Vocabulary focus

Use the cloze to secure the language of estimating before a calculation unit.

Homework

It is self-contained and the model answer supports marking at home.

Plenary

Finish a lesson with the Your Turn estimate and share sentences aloud.

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