Addition
Subtraction
Addition 2
Subtraction 3
Mystery???
100
12 + 10 =
What is 22?
100
12 - 10 =
What is 2?
100
16 + 16 =
What is 32?
100
16 - 16 =
What is 0?
100

13 + 8 =

 21

200
25 + 14 =
What is 39?
200
25 - 14 =
What is 11?
200
21 + 19 =
What is 40?
200
21 - 19 =
What is 2?
200

27 - 8 =

 19

300
38 + 11 =
What is 49?
300
38 - 11 =
What is 27?
300
33 + 28 =
What is 61?
300
33 - 28 =
What is 5?
300

35 + 22 =

 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

42 - 19 =

 23

500
59 + 10 =
What is 69?
500
59 - 10 =
What is 49?
500
64 + 46 =
What is 110?
500
64 - 46 =
What is 18?
500
98 - 39 =
What is 59?
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