Number Patterns

Increasing Patterns

100

3 , 6 , 9 , 12 , ?

15

200

5 , 10 , 15 , 20 ,  ?

25

300

8 , 12 , 16 , ?

20

400

29, 38 , 47 , 56 , 65 , ?

74

500

7, 15, 23, 31, 39, ?

47

Decreasing Patterns

100

10 , 8 , 6 , 4 , ?

2

200

33 , 30 , 27 , 24 , ?

21

300

38 , 30 , 22 , ?

14

400

94 , 90 , 86 , 82 , ?

78

500

100 , 93 , 86 , 79 , 72 , ?

65

What is the pattern rule?

100

4 , 6 , 8 , 10 , 12

Start at 4 and add 2

200

35 , 32 , 29 , 26 , 23

Start at 35 and subtract 3

300

83 , 77 , 71 , 65 , 59

Start at 83 and subtract 6

400

^{52 , 56 , 60 , 64 , 68}

Start at 52 and add 4

500

61 , 69 , 77 , 85 , 93

Start and 61 and add 8

What is the missing number?

100

1 , 3 , ? , 7 , 9

5

200

10 , ? , 6 , 4 , 2

8

300

6 , 11 , 16 , ? , 26

21

400

84 , 76 , ? , 60

68

500

43 , 47 , 51 , 55 , ?

61

Extend the Pattern

100

5 , 10 , 15 , ? , ? , ?

20 , 25 , 30

200

45 , 42 , 39 , 36 , 33 , ? , ? , ?

30 , 27 , 24

300

23 , 29 , 35 , ? , ? , ?

41 , 47 , 53

400

54 , 46 , 38 , ? , ? , ?

30 , 22 , 14

500

83 , 87 , 91 , ? , ? , ?

95, 99 , 103