Working systematically
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problemFavouriteForwards add backwards
What happens when you add a three digit number to its reverse?
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problemFavouritePerimeter challenge
Can you deduce the perimeters of the shapes from the information given?
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problemFavouriteAbout average
Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
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problemFavouriteHalf a minute
Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?
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problemFavouriteCompleting quadrilaterals
We started drawing some quadrilaterals - can you complete them?
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problemFavouriteGrowing surprises
Can you find the connections between linear and quadratic patterns?
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problemFavouriteGabriel's problem
Gabriel multiplied together some numbers and then erased them. Can you figure out where each number was?
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