VC2M4N07
choose and use estimation and rounding to check and explain the reasonableness of calculations, including the results of financial transactions
- using proficiency with basic facts to estimate the result of a calculation and say what amounts the answer will be between; for example, 5 packets of biscuits at $2.60 each will cost between $10 and $15 as 5 × $2 = $10 and 5 × $3 = $15
- using rounded amounts to complete an estimated budget for a shopping trip or an excursion, explaining why overestimating the amounts is appropriate
- recognising the effect of rounding in addition and multiplication calculations; rounding both numbers up, both numbers down, and one number up and one number down, and explaining which is the best approximation and why
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Estimation With Multiplication (Whole Numbers) Task Cards
Supercharge your students’ maths skills! Download our set of fun task cards to practise estimating products of whole numbers.
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Owls Round, TOO Matching Game
Practise rounding through to the nearest hundred thousands place with our set of 36 whole number rounding match-up cards.
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Rounding Whole Numbers – Riddle Worksheets
Integrate riddles and maths with this set of rounding worksheets.
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Rounding Numbers Game (Whole Numbers)
Play our engaging rounding numbers game in your classroom to give your students practise rounding whole numbers.
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Rounding Whole Numbers Game — Create-Your-Own!
Share this "create-your-own" rounding whole numbers game with your students to give them practise rounding numbers up to the hundred thousands place.
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Estimating Sums & Differences Maths Mazes
Sharpen your students’ rounding and estimation skills with a set of maths mazes.
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Plan a Halloween Party – Estimation Project
Plan your own Halloween party and practice estimating sums, differences and products of whole numbers and decimals with an engaging maths project!
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Estimating Products of Whole Numbers Matching Game
Guide your students to round the factors to estimate the product with this maths matching game.
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Estimating Sums and Differences Interactive Activity
Download our interactive activity designed to sharpen your students’ understanding of estimating sums and differences with rounding and compatible numbers.
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Rounding Bingo — Using a Vertical Number Line
Review how to round numbers to the nearest ten, hundred, thousand, and ten thousand with a vertical number line Bingo game.
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Rounding Task Cards (Numbers to 100 000)
Use place value knowledge and vertical number lines to round numbers up through the hundred thousands place with a set of 24 task cards.
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Rounding Using a Vertical Number Line Posters
Display how to round numbers to different places using a vertical number line with a set of posters.