Pattern Rules

20, 18, 16, 14, ....

Start at 20 and _____ each time.

• subtract 1

• minus 3

• subtract 2

• minus 2

4, 8, ____, 16, 20, ....

200, 175, ____, 125, ....

6, 12, 18, 24, ....

Start at 6 and ____ each time.

• add 8

• add 6

• add 5

• add 7

What kind of pattern is this?

17, 34, 42, 17, 34, ....

• growing

• shrinking

• repeating

16, 26, 36, 46, ....

Start at 16 and add ____ each time.

64, 61, ___, 55, 52, ...

5, 8, 11, 14, ....

Start at ___ and add 3 each time.

• 5

• 4

• 3

• 14

85, 80, 75, 70, 65, ...

Start at 85 and ____ 5 each time.

What kind of pattern is this?

24, 32, 40, 48, ....

• growing

• shrinking

• repeating