Addition
Subtraction
Multiplication
Division
Decimals
100
x + 4 = 25
What is 21
100
x - 2 = 6
What is 8
100
9x = 27
What is 3
100
y/6 = 2
What is 12
100
m + 3.78 = 12.4
What is 8.62
200
a + 13 = 576
What is 563
200
d - 7 = 9
What is 16
200
7x = 63
What is 9
200
x/4 = 14
What is 56
200
x - 66.09 = 102.8
What is 168.89
300
n + 8 = 14
What is 6
300
k - 19.54 = 21.6
What is 41.14
300
5e = 400
What is 80
300
x/6 = 6
What is 36
300
5.6 = 0.8x
What is 7
400
x + 3.6 = 10.8
What is 7.2
400
x - 327 = 665
What is 992
400
11x = 275
What is 25
400
28 = a/13
What is 364
400
c/0.29 = 5.5
What is 1.595
500
8.27 = c + 4.381
What is 3.889
500
a - 5.9 = 38.64
What is 44.54
500
2.1y = 7.56
What is 3.6
500
80 = x/15
What is 1200
500
0.12 = y/0.12
What is 0.0144