Properties of Equalities

Addition

100

__ - 6 = 4

10

200

___ - 20 = 10

30

300

___ - 5 = 15

20

400

x - 12 = 6

18

500

x - 3 - 11= 26

40

Subtraction

100

___ + 4 = 14

10

200

___ + 5 = 25

20

300

___ + 12 = 30

18

400

x + 40 = 54

14

500

x + 2 + 3 = 11

6

Multiplication

100

___ ÷ 2 = 4

8

200

___ ÷ 3 = 4

12

300

___ ÷ 5 = 5

25

400

x ÷ 7 = 5

35

500

x ÷ 10 = 100

1000

Division

100

___ ∙ 4 = 12

3

200

___ ∙ 2 = 30

15

300

___ ∙ 6 = 36

6

400

x ∙ 11 = 55

5

500

x ∙ 6 = 42

7