Addition
Subtraction
Addition 2
Subtraction 3
Mystery???
100
12 + 10 =
What is 22?
100

10-2

8

100

12+16

28

100
16 - 16 =
What is 0?
100

11+8

19

200
25 + 14 =
What is 39?
200
25 - 14 =
What is 11?
200

20 + 20 =

What is 40?

200
21 - 19 =
What is 2?
200
27 - 8 =
What is 19?
300
38 + 11 =
What is 49?
300
38 - 11 =
What is 27?
300

32+33

65

300
33 - 28 =
What is 5?
300
35 + 22 =
What is 57?
400
41 + 20 =
What is 61?
400
41 - 20?
What is 21?
400

47 + 13 =

What is 60?

400
42 - 13 =
What is 29?
400

29 - 19 =

10

500
59 + 10 =
What is 69?
500

50-1

49

500
64 + 46 =
What is 110?
500
64 - 46 =
What is 18?
500

30+42

72

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