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Addition
Subtraction
Multiplication
Division
+-x/
100

Solve 34 + n = 60

n = 26

100
u - 17 = 12

u = 29 

100

2x = 16

x = 8 

100

u/12 = 2

u = 24

100

7= b + 4 

b = 3 

200

23 + b = 33

b = 10

200

h - 44 = 12

h = 56

200

5u = 60

u = 12 

200

k / 8 = 10

k = 80

200

7n = 35

n = 5 

300
98 + k = 120

 k = 22

300

b - 178 = 278

b = 456

300

8v= 72 

v = 9 

300

w / 11 = 12

w = 121 

300

15 / n = 3

n = 5 

400

113 + r = 211

r = 98

400

189 - n = 76

n = 113

400

10x =40 

x = 4 

400

54 / c = 6

c = 9 

400

10m= 100

m = 10

500

172 + y = 543

y = 371

500
834 - t = 555

t = 279

500

11x=121 

x = 11

500

48 / j = 4

j = 12 

500

283 - z = 222

z = 61