1) Skip count by 2s. Fill in the missing numbers. 57, 59, ?, 63, 65, ?, 69 a) 62, 67 b) 61, 67 2) Skip count by 2s. Fill in the missing numbers. 125, ? , 129, ? , 133, 135, 137, 139, ? a) 127, 131, 140 b) 127, 131, 141 3) Skip count by 2s. Fill in the missing numbers. ? , 504 , ? , 508, 510, ? , 514, 516, ? a) 502, 506, 512, 518 b) 502, 506, 510, 520 4) Skip count by 3s. Fill in the missing numbers. ? , 100, 103, 106, ? , 112, 115, ? , 121, 124 a) 98, 105, 118 b) 97, 109, 118 5) Skip count by 3s. Fill in the missing numbers. 48, ? , 54, ? , 60, 63, 66, ? , 72, 75, ? a) 51, 57, 67, 77 b) 51, 57, 69, 78 6) Skip count by 3s. Fill in the missing numbers. ? , 847, 850, ? , ? , 859, 862, 865, ? a) 844, 853, 856, 865 b) 844, 863, 866, 869

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