Add 3 numbers

Pick three numbers from those shown and add them. How many different additions can you find?

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Can you put the numbers in the circles so that each side of the triangle adds up to 9?

Put the numbers 1, 2, 3, 4 and 5 onto the grid so that both lines add up to the same total. How many ways?

A first look at word problems needing addition or subtraction to solve.

More problem solving where addition or subtraction is needed.

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