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Addition
Subtraction
Multiplication
Division
Decimals and Fractions
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 + 3.7 = 6.5
What is 2.8
200
a + 13 = 16
What is 3
200
d - 2/3 = 5/6
What is 9/6= 3/2 = 1 1/2
200
7x = 63
What is 9
200
x/4 = 14
What is 56
200
x + 1 3/4 = 2 2/3
What is 11/12
300
n + (8) = 14
What is 6
300
k -5 = 144
What is 149
300
5e = 400
What is 80
300
x/6 = 6
What is 36
300
5.6 = 0.8x
What is 7
400
x - 36 = 100
What is 136
400
x - 327 = 665
What is 992
400
11x = 275
What is 25
400
m / (1/3) = 9
What is 27
400
c/0.29 = 5.5
What is 1.595
500
3/4 = c + 1/2
What is 1/4
500
a - 1/4 = 7/8
What is 9/8 or 1 1/8
500
1/6x = 4/5
What is 24/5= 4 4/5
500
80 = x/15
What is 1200
500
0.12 = y/0.12
What is 0.0144