Exploring and noticing
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problemFavouriteForwards add backwards
What happens when you add a three digit number to its reverse?
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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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problemFavouriteGrowing surprises
Can you find the connections between linear and quadratic patterns?
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problemFavouriteStar polygons
Draw some stars and measure the angles at their points. Can you find and prove a result about their sum?
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problem3388
Using some or all of the operations of addition, subtraction, multiplication and division and using the digits 3, 3, 8 and 8 each once and only once make an expression equal to 24.
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problemFavouriteThink of two numbers
Think of two whole numbers under 10, and follow the steps. I can work out both your numbers very quickly. How?