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We usually use squares to measure area, but what if we use triangles instead?
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Which of these pocket money systems would you rather have?
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In the 2020 Olympic Games, sport climbing was introduced for the first time, and something very interesting happened with the scoring system. Can you find out what was interesting about it?
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Investigate how you can work out what day of the week your birthday will be on next year, and the year after...
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Identical squares of side one unit contain some circles shaded blue. In which of the four examples is the shaded area greatest?
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Which set of numbers that add to 100 have the largest product?
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In how many ways can you fit all three pieces together to make shapes with line symmetry?
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How many different symmetrical shapes can you make by shading triangles or squares?
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My two digit number is special because adding the sum of its digits to the product of its digits gives me my original number. What could my number be?
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It's easy to work out the areas of most squares that we meet, but what if they were tilted?
