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This task offers opportunities to subtract fractions using A4 paper.
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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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Ayah conjectures that the diagonals of a square meet at right angles. Do you agree? How could you find out?
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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 the missing number(s)? The square is the average (mean) of the numbers surrounding it.
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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?
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What happens if you join every second point on this circle? How about every third point? Try with different steps and see if you can predict what will happen.
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Cut differently-sized square corners from a square piece of paper to make boxes without lids. Do they all have the same volume?
