11 + 40 = - 51, 18 + 30 = - 48, 19 + 70 = - 89, 20 + 14 = - 34, 80 + 12 = - 92, 15 + 50 = - 65, 60 + 13 = - 73, 16 + 10 = - 26, 40 + 17 = - 57, 50 + 11 = - 61, 14 + 30 = - 44, 70 + 13 = - 83, 30 + 19 = - 49, 16 + 80 = - 96,

Double Digit Addition (tens)

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Flash cards is an open-ended template. It does not generate scores for a leaderboard.

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