1) 10, 20, 30, __________, 50..... a) 60 b) 40 c) 25 2) 10, 20, 30, 40, 50, __________, 70.... a) 60 b) 20 c) 80 3) 10, __________, 30, 40, 50,... a) 60 b) 40 c) 20 4) 10, 20, 30, 40, 50, 60, 70, _________ , 90, 100 a) 0 b) 100 c) 80 5) 10, 20, 30, 40, 50, 60, 70, 80, 90, ________ a) 100 b) 90 c) 0

McGuire's Own Counting by Tens

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