Lesson 9 Review Game - Tell the pattern and fill in the blanks.

+ Patterns

10

2, 4, 6, 8, ____, ____

+2

10, 12

20

1, 3, 5, 7, ____, ____

+2

9, 11

30

10, 15, 20, 25, ____, ____

+5

30, 35

40

1, 2, 3, 4, ___, ___

+1

5, 6

50

0, 10, 20, 30, ____, ____

+10

40, 50

- Patterns

10

50, 40, 30, ____, ____

-10

20, 10

20

12, 10, 8, ___, ___

-2

6, 4

30

10, 9, 8, ___, ___

-1

7, 6

40

90, 80, 70 ____, ____

-10

60,50

50

75,70, 65 ____, ____

-5

60, 55

Misc. Patterns

10

1, 3, 2, 4, 3, ____, ____

+2 -1

5, 4

20

1, 11, 10, 20, ___, ____

+10 -1

19, 29

30

25, 30, 35, 40 __, ___

+5

45, 50

40

0, 10, 0, 10, ____, ____

+10, -10

0, 10

50

1, 3, 2, 4, 3, 5, __, ___

+2, -1

7, 6

Addition

10

3 + 2 = 

5

20

10 + 10 = 

20

30

5 + 5 = 

10

40

2 + 2 + 2 = 

6

50

5 + 5 + 5 + 5 +5 = 

25

Subtraction

10

4 - 2 = 

2

20

10 - 5 = 

5

30

20 - 20 = 

0

40

9 - 7 = 

2

50

15 - 10 = 

10