Show:
1 Addition
1 Subtraction
Surprise
2 Addition
2 Subtraction
100
4+6 = _____________
What is 10
100
9 - 3 = ________
What is 6
100
21 + 15 = _________
What is 36
100
15 + 19 = __________
What is 36
100
53 - 26 = ____________
What is 27
200
8 + 8 = _____________
What is 16
200
10 - 5 =___________
What is 5
200
57 -23 = _________
What is 34
200
47 + 37 = __________
What is 84
200
60 - 14 = __________
What is 46
300
10 + 2 = __________
What is 12
300
15 - 9 = _________
What is 6
300

53 +53 = __________

What is 106

300

96 + 14 = ___________

What is 110

300

34 - 27 = ___________

What is 7

400
11 + 3 = __________
What is 14
400
20 - 12 = _______
What is 8
400

94 - 73 = __________

What is 21

400

87 + 14 = _________

What is 101

400

91 - 74 = ___________

What is 17

500
15 + 4 = _________
What is 19
500
13 - 4 = ____________
What is 9
500

52 + 46 = __________

What is 98

500

27 + 36 = ___________

What is 63

500

92 - 29 = _______

What is 63