28, 38 - 10 = ?, 36, 56 - 20 = ?, 2, 22 - 20 = ?, 33, 43 - 10 = ?, 68, 98 - 30 = ?, 42, 72 - 30 = ?, 11, 21 - 10 = ?, 9, 49 - 40 = ?

Subtraction Fluency Warmup Third Grade

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