Show:
Adding
Subtracting
Multiplication
Division
Decimals
100
Solve: x + 5 = 10
x = 5
100
Solve: x - 24 = 10
x = 34
100
Solve: 7y = 14
y = 2
100
Solve: x/4 = 4
x = 16
100
Solve: x + 1.2 = 2.6
x = 1.4
200
Solve: y + 12 = 34
y = 22
200
Solve: y - 54 = 109
y = 163
200
6y = 42
y = 7
200
Solve: n/10 = 4
n = 40
200
4.68 + w = 10.2
w = 5.52
300
Solve: 9 + r = 74
r = 65
300
54 = t - 32
t = 86
300
Solve: 12r = 84
r = 7
300
Solve: m/20 = 2
m = 40
300
Solve: c - 2.09 = 3.1
c = 5.19
400
Solve: 76 + w = 119
w = 43
400
Solve: 109 = e - 45
e = 64
400
110 = 11x
x = 10
400
Solve: 9 = r/12
r = 108
400
Solve: 1.5h = 3.0
h = 2
500
Solve: 234 + c = 293
c = 59
500
Solve: 123 = x - 89
x = 212
500
220 = 4w
w = 55
500
Solve: 7 = y/14
y = 98
500
Solve: x/1.7 = 2.1
x = 3.57