Counting Forwards
Counting Backwards
By 2's
By 5's
By 10's
100
What is the missing number? 3, 4, 5, ___, 7
6
100
What is the missing number? 5, 4, ___, 2, 1
3
100
What is the missing number? 2, 4, 6, ___, 10
8
100
What is the missing number? 5, 10, 15, ___, 25
20
100
What is the missing number? 10, 20, ___, 40, 50
30
200
What is the missing number? 16, 17, 18, ___, 20
19
200
What is the missing number? 12, 11, ___, 9, 8
10
200
What is the missing number? 10, ___, 14, 16, 18
12
200
What is the missing number? 30, 35, ___, 45, 50
40
200

What is the missing number? 44, 54, ___, 74, 84

64

300
What is the missing number? 11, 12, ___, 14, 15
13
300
What is the missing number? 20, 19, 18, ___, 16
17
300
What is the missing number? 20, 22, ___, 26, 28
24
300
What is the missing number? 35, 40, 45, ___, 55
50
300

What is the missing number? 33, 43, ___, 63, 73

53

400
What is the missing number? 20, ___, 22, 23, 24
21
400
What is the missing number? 30, 29, 28, 27, ___
26
400
What is the missing number? ___, 32, 34, 36, 38
30
400
What is the missing number? 65, ___, 75, 80, 85
70
400

What is the missing number? 15, __, 35, 45

25
500
What is the missing number? ___, 30, 31, 32, 33
29
500
What is the missing number? 50, ___, 48, 47, 46
49
500
What is the missing number? ___, 54, 56, 58
52
500
What is the missing number? ___, 85, 90, 95, 100
80
500
What is the missing number? 60, 70, 80, 90, ___
100
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