Estimating and approximating
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problemFavouriteCount the Crayons
How could you estimate the number of pencils/pens in these pictures?
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problemFavouriteFruity Pairs
Which two items of fruit could Kate and Sam choose? What would it cost?
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problemFavouriteLittle Man
The Man is much smaller than us. Can you use the picture of him next to a mug to estimate his height and how much tea he drinks?
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problemFavouriteDiscuss and Choose
This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.
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problemFavouriteBuying a Balloon
Lola bought a balloon at the circus using six coins. What could Lola have paid for the balloon?
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problemFavouriteFour Go
This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?
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gameFavouriteDicey Operations
In these addition and subtraction games, you'll need to think strategically to get closest to the target.