Arithmetic Patterns

Addition Patterns

100

What is the next number in the pattern: 2, 4, 6, _?

8

200

If you add 5 each time, what is the 4th number in the pattern starting at 3?

18

300

Identify the rule in this pattern: 10, 15, 20, 25, _.

Add 5

400

What's the rule in the pattern: 1, 7, 13, 19?

Add 6

500

If the rule is to add 8, what is the 5th number in the pattern starting at 2?

42

Multiplication Patterns

100

What is the next number in the pattern: 1, 2, 4, 8, _?

16

200

Identify the rule in this pattern: 3, 6, 12, 24, _.

Multiply by 2

300

What is the next number if the rule is to multiply by 3: 1, 3, 9, _?

27

400

If you start with 5 and double it every time, what is the 4th number?

40

Subtraction Patterns

100

What is the next number in the pattern: 10, 8, 6, _?

4

200

Identify the rule in this pattern: 20, 15, 10, 5, _.

Subtract 5

300

If you subtract 3 each time, what is the 3rd number starting at 12?

6

400

What is the next number in the pattern: 30, 25, 20, _?

15

500

If the rule is to subtract 7, what is the 5th number in the pattern starting at 50?

9