Addition
Subtraction
Multiplication
Division
Inverse Relationships
100

5 + ? = 13

8

100

5 - ? = 1

4

100

6 x ? = 48

8

100

80 / ? = 8

10

100

What is the inverse SUBTRACTION relationship to 15+29=44?

44-15=29 

44-29=15

200

? + 10 = 33 

23

200

? - 11 = 9

20

200

5 x ? = 15

3

200

? / 3 = 7

21

200

What is the inverse ADDITION relationship to 58-18=40?

40+18=58

18+40=58

300

17 + ? = 36

19

300

? - 5 = 27

32

300

21 x ? = 42

2

300

24 / ? = 4

6

300

What is the inverse MULTIPLICATION relationship to 56/7=8?

7X8=56

8X7=56

400

? + 58 = 88

30

400

28 - ? = 22

6

400

? x 9 = 36

4

400

81 / ? = 9

9

400

What is the inverse DIVISION relationship to 9X5=45?

45/9=5

45/5=9

500

? + 25 = 41

16
500

? - 32 = 21

53

500

7 x ? = 49

7

500

? / 8 = 3

24

500
What are all 4 of the number sentences you can make from these three numbers: 11, 33, 3?

11x3=33

3x11=33

33/11=3

33/3=11