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20 questions
2, 4, 6, 8, ___, 12
9
10
0, 2, __, 6, 8 ,10
4
5
15, 20, 25, 30, ___, 40
35
45
0, 10, 20, 30, 40, ___
25
50
Count by 2s to fill in the missing number ....
6
4
Count by 2s to fill in the missing number ...
10
6
Count by 5s to fill in the missing number ...
5
15
Count by 5s to fill in the missing number ....
20
15
2, 4, 6, ___, ___
8, 10
10, 12
10, 12, 14, __, __, __
16, 18, 20
15, 16, 17
15, 20, 25, __, __
30, 35
26, 27
25, 35, 45, __, __
55, 65
50, 55
15, 20, 25, ______, 35, 40, 45, 50
2, 4, 6, 8, 10, 12, ____
10, 20, 30, 40, 50, 60, _____, 80, 90, 100
What number is missing
10, 20, 30, ______, 50
60
40
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