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If everyone in your class picked a number from 1 to 225, do you think any two people would pick the same number?
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Look at the mathematics that is all around us - this circular window is a wonderful example.
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How will you work out which numbers have been used to create this multiplication square?
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Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?
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This big box multiplies anything that goes inside it by the same number. If you know the numbers that come out, what multiplication might be going on in the box?
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Use your logical thinking skills to deduce how much Dan's crisps and ice cream cost altogether.
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In Sam and Jill's garden there are two sorts of ladybirds with 7 spots or 4 spots. What numbers of total spots can you make?
Here you can watch a recording of the webinar Charlie and Liz led for Maths Week England in November 2021.
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120 students sit an exam with 100 marks available. What is the smallest number of pairs that are awarded the same mark?
