Flip's Number Hunt: Sums to 20

A free math game for 1st and 2nd grade. Five numbers up to 20.

How to play

Find the number that is the sum of two others. Tap it. There are 10 groups in a round.

For example

In 4, 9, 13, 16, 19, the answer is 13, because 4 + 9 = 13.

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The same puzzles on paper, with an answer key, fresh every time you print. Or browse every worksheet for these grades.