10+___=20, 10, 20, 2, 1, 0, 5, 100-40+10=, 40, 50, 5, 4, 6, 60, 120-40=, 8, 80, 20, 2, 12, 14, True or false? 12-1>13-2, True, False, 9X9=, 9, 27, 49, 82, 81, 72, 8/2, 4, 2, 40, 20, 8, 80, A=? : B+A=C B=2 C=3, 1, 2, 10, 20, 3, 30, D=? : D-A=C. A=1 C=3. D=?, 1, 10, 3, 30, 4, 40, 12-3+4=, 10, 20, 23, 47, 12, None, Fahreheit or celsius? Which is the better tempreture for a snow fight?, 0 (F), 0 (C), 01+70=, 81, 54, 7, 70, All, none, 21/3=, 70, none, 7, 30, 9, 6, 199-89+199-89=, None, 110, 210, 309, 220, 310.

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