Solve for the Unknown

Front

What is the inverse operation of subtraction?

Back

Addition

Front

Which represents the unknown value in the following statement? 7 + j = 15

Back

j

Front

Solve for W in the equation: 3 x W = 12

Back

W = 4

Front

Miss Williams divides her class into six equal groups of 4 students each. Which number sentence could be used to find s, the number of students in Miss Williams's class?

Back

s / 4 = 6

Front

Solve for n in the equation: 9 X n = 36

Back

n = 4

Front

What is the first step to solve the equation: x + 5 = 10?

Back

Subtract 5 from both sides.

Front

If 2x = 10, what is the value of x?

Back

x = 5

Front

What operation would you use to isolate the variable in the equation: y - 3 = 7?

Back

Add 3 to both sides.

Front

In the equation 5 + z = 12, what is z?

Back

z = 7

Front

What is the value of m in the equation: 4m = 20?

Back

m = 5