Addition
Subtraction
Addition
Subtraction
Subtraction
100
Solve to find the missing number. 15 + _____ = 45
What is "30"
100
Solve to find the missing number. _____ - 4 = 11
What is "15"
100
Solve to find the missing number. 2 + _____ = 31
What is "30"
100
58- _____ = 25
What is "33"
100
Solve to find the missing number. 12- ______ = 3
What is "9"
200
Solve to find the missing number. 67 + ______ = 79
What is "12"
200
Solve to find the missing number. 37 - ____ = 9
What is "28"
200
Solve to find the missing number. ______ + 7 = 49
What is "42"
200
Solve to find the missing number. ______ - 9 = 45
What is "54"
200
Solve to find the missing number. 18- _____ = 5
What is "13"
300
Solve to find the missing number. 114 + ____ = 151
What is "37"
300
Solve to find the missing number. ______ - 42 = 71
What is "113"
300
Solve to find the missing number. 10 + _____ = 83
What is "73"
300
Solve to find the missing number. 96- _____ = 12
What is "84"
300
Solve to find the missing number. _____-26 = 7
What is "33"
400
Solve to find the missing number. 745 + ______ = 811
What is "66"
400
Solve to find the missing number. 450 - _____ = 321
What is "129"
400
_____ + 28 = 56
What is "28"
400
Solve to find the missing number. 56- _____ = 18
What is "38"
400
Solve to find the missing number. _______ - 11 = 6
What is "17"
500
Solve to find the missing number. 900 + _____ = 1552
What is "652"
500
Solve to find the missing number. 5,667 - _______ = 3,002
What is "2665"
500
Solve to find the missing number. 48 + ______ = 65
What is "17"
500
Solve to find the missing number. 74- ____ = 36
What is "38"
500
Solve to find the missing number. _____ - 25 = 48
What is "73"
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