Addition
5 + ? = 13
8
5 - ? = 1
4
6 x ? = 48
8
80 / ? = 8
10
What is the inverse SUBTRACTION relationship to 15+29=44?
44-15=29
44-29=15
? + 10 = 33
23
? - 11 = 9
20
5 x ? = 15
3
? / 3 = 7
21
What is the inverse ADDITION relationship to 58-18=40?
40+18=58
18+40=58
17 + ? = 36
19
? - 5 = 27
32
21 x ? = 42
2
24 / ? = 4
6
What is the inverse MULTIPLICATION relationship to 56/7=8?
7X8=56
8X7=56
? + 58 = 88
30
28 - ? = 22
6
? x 9 = 36
4
81 / ? = 9
9
What is the inverse DIVISION relationship to 9X5=45?
45/9=5
45/5=9
? + 25 = 41
? - 32 = 21
53
7 x ? = 49
7
? / 8 = 3
24
11x3=33
3x11=33
33/11=3
33/3=11