Doubles
2 digits addition
Which is it?
Skip Count
Subtraction
100

Solve the math problem:

10+10= ___

20

100

Solve the math problem:

22+11=

33

100

Number before 90

89

100

Skip Count by 1, starting at 12

13

100

9 - 4 =

5

200

Solve the math problem:

8+8=

16

200

Solve the math problem:

34+28=

62

200

Number before 43

42

200

Skip Count by 10, starting at 95

105

200

10 - 7 =

3

300

Solve the math problem:

30+30=

60

300

Solve the math problem:

30+31=

61

300

which is greater 

22 (        ) 44



44

22 < 44

300

Skip Count by 5, starting at 45

50

300

16 - 8 =

8

400

Solve the math problem:

9 + 9 =

18

400

Solve the math problem:

40+41=

81

400

Number before 15

14

400

Skip Count by 2, starting at 25

27

400

18 - 7 =

11

500

Solve the math problem:

50+50= ___

100

500

Solve the math problem:

56+61=

117

500

Arrange the numbers in order from the least to the greatest. 

25, 7, 79, 2, 10.


2 , 7 , 10 , 25 , 79.

500

Skip Count by 3, starting at 9

12

500

25 - 7 =

18

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