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problem
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Alison's Quilt
11 to 14
Nine squares are fitted together to form a rectangle. Can you find its dimensions?
problem
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Product Sudoku
11 to 16
The clues for this Sudoku are the product of the numbers in adjacent squares.
problem
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Four Go
7 to 11
This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?
problem
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Missing Multipliers
7 to 14
What is the smallest number of answers you need to reveal in order to work out the missing headers?
problem
From All Corners
14 to 16
Straight lines are drawn from each corner of a square to the mid
points of the opposite sides. Express the area of the octagon that
is formed at the centre as a fraction of the area of the square.
problem
Favourite
LCM Sudoku
14 to 16
Here is a Sudoku with a difference! Use information about lowest common multiples to help you solve it.
problem
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Biscuit Decorations
5 to 7
Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?