VC2M5N08
check and explain the reasonableness of solutions to problems, including financial contexts using estimation strategies appropriate to the context
- interpreting a series of contextual problems to decide whether an exact answer or an approximate calculation is appropriate, and explaining their reasoning in relation to the context and the numbers involved
- recognising the effect of rounding addition, subtraction, multiplication and division calculations, and rounding both numbers up, both numbers down, and one number up and one number down; and explaining which estimation is the best approximation and why
- considering the type of rounding that is appropriate when estimating the amount of money required; for example, rounding up or rounding down when buying one item from a store using cash, compared to rounding up the cost of every item when buying groceries to estimate the total cost and not rounding when the financial transactions are digital
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It's a Match! – Rounding With Decimals Puzzle
Practise rounding decimals up to the thousandths place with 34 puzzle pair matching pieces.
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Rounding Decimals Bump! Game
Review how to round decimals with this set of printable year 5 maths games.
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Rounding Numbers – Match-up Activity
Practise rounding decimals and whole numbers with this match-up activity.
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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 With a Number Line Teaching Slides (Large Numbers)
Teach rounding with a number line using this set of teaching slides featuring numbers up the hundred thousands.
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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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Estimation With Decimal Multiplication Matching Game
Guide your students to estimate products with decimals by using this 36-card matching game.
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Estimating Quotients Doodle Notes
Engage your students with this set of doodle notes when teaching them how to estimate quotients.
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Estimating Quotients Task Cards
Give your students the opportunity to use rounding and compatible numbers to answer estimation questions with this set of 24 task cards.
- Plus Plan
Rounding Decimals – Task Cards
Round decimals to the nearest hundredth with this set of 24 task cards.