To complete these products and sums puzzles students write the product of the two middle numbers in the top box and the sum of the two middle numbers in the bottom box.
There are five pages of 12 questions to answer.
The difficulty level increases with each new page and there is something suitable for years 4 to 9 inclusive and all abilities are catered for.
Also included is a blank page for teachers and parents to create their own puzzles.
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