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Addition
Subtraction
Multiplication
Division
100

4 + x = 7

x = 3

100
8 - f = 2

f = 6

100

3 x k = 9

k = 3

100

4 ÷ v = 2

v = 2

200

t + 12 = 20

t = 8

200

10 - b = 7

b = 3

200

w x 9 = 18

w = 2

200

15 ÷ m = 5

m = 3

300

5 + c + 9 = 19

c = 5

300

g - 10 = 15

g = 25

300

7 x p = 42

p = 6

300

s ÷ 5 = 5

s = 25

400

t + 6 = 

t = 8

8 + 6 = 14

400

k - 12 =

k = 20

20 - 12 = 8

400

j x 4 =

j = 3

3 x 4 =

400

60 ÷ p = 

p = 10

60 ÷ 10 = 6

500

p + 17 = 

p = 6

6 + 17 = 23

500

15 - b = 

b = 7

15 - 7 = 8

500

6 x c =

c = 6

6 x 6 = 36

500

28 ÷ n = 

n = 7

n = 4