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Addition
Subtraction
Multiplication
Division
Challenge
100
x + 8 = 24
What is 16
100
x - 12 = 1
What is 13
100
3x = 42
What is 14
100
x / 8 = 7
What is 56
100

3x + 8 = 32

What is 8

200
28 + x = 43
What is 15
200
x - 49 = 23
What is 72
200
12x = 48
What is 4
200
x / 25 = 11
What is 275
200

A number r, decreased by 14, is equal to 60. What is the equation? 

What is r-14=60

300
32 = 5 + x
What is 27
300
31 = x - 24
What is 55
300
112 = 14x
What is 8
300
x = 87 / 3
What is 29
300

Tell whether c=8 is a solution of 3c-4=18 . Write yes or no. Show your work.

What is no

400
81 = x + 49
What is 32
400
x - 43 = 55
What is 98
400
256 = 16x
What is 16
400
23 = x / 12
What is 276
400

When you went to the movies, you bought a movie ticket for $12.50, popcorn for $8, and a drink for d dollars. You spent $28 in total. Write and solve an equation to determine d, the cost of the drink.

What is 12.50+8+x=28; x=$7.50

500

125=48+x

What is 77

500

64=x-18

What is 82

500

Write and solve the equation for two thirds of x is equal to 24.

x=36

500

Write and solve the equation for x divided by 8 is 16. 

What is x/8=16; x=128
500

Write and solve the equation.  

          The product of three-fourths and a number m is the same as 48.

What is (3/4)x=48; x=64