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This activity involves rounding four-digit numbers to the nearest thousand.
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What happens when you round these three-digit numbers to the nearest 100?
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Can you match these calculation methods to their visual representations?
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Can you put these four calculations into order of difficulty? How did you decide?
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Can you find out which 3D shape your partner has chosen before they work out your shape?
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Do you agree with Badger's statements? Is Badger's reasoning 'watertight'? Why or why not?
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Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.
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Here is an interesting property about two sets of digits. Can you work out what the digits might be?
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Can you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?
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Can you find pairs of differently sized windows that cost the same?
