Find the missing number
Find the rule
Solve the equation
100

1, 2, 3, ___, 5

4

100
2, 4, 6, 8, 10

Add 2/count by 2's

100

A + 2 = 4

A=2

200

3, 6, 9, 12, ___

15

200

12, 9, 6, 3, 0

-3

200

5 - B = 1

B=4

300

5, 12, 19, 26, ___

33
300

6, 12, 18, 24, 30

+6

300

2 x M = 18

M=9

400
2, ___, 8, 11, 14

5

400

2, 4, 8, 16, 32

Times 2
400

M + 42 = 85

M= 43

500

71, 83, 95, ____, 119

107

500

5, 25, 125, 625, 3,125

Times 5

500

K - 80 = 125

K= 205

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