Explaining, convincing and proving
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problemDiscuss and choose
This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.
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problemDicey addition
In these addition games, you'll need to think strategically to get closest to the target.
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problemPlace your orders
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
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problemFinding factors
Can you find the hidden factors which multiply together to produce each quadratic expression?
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problemLargest even
How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?
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problemFill me up
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
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problemWhat numbers can we make?
Imagine we have four bags containing a large number of 1s, 4s, 7s and 10s. What numbers can we make?
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problemMore dicey decisions
The twelve edge totals of a standard six-sided die are distributed symmetrically. Will the same symmetry emerge with a dodecahedral die?