Solving One Step Addition Equations

Front

What is a one-step addition equation?

Back

A one-step addition equation is an equation that can be solved in one step by adding or subtracting a number to isolate the variable.

Front

Solve the equation: 20.5 = x + 4

Back

x = 16.5

Front

What is the inverse operation of addition?

Back

Subtraction

Front

Solve the equation: x + 12 = 20

Back

x = 8

Front

Solve the equation: 9 + x = 18

Back

x = 9

Front

Solve the equation: z + 45 = 92

Back

z = 47

Front

What does it mean to isolate a variable in an equation?

Back

To isolate a variable means to get the variable alone on one side of the equation, making it easier to solve.

Front

If x + 5 = 10, what is x?

Back

x = 5

Front

What is the first step to solve the equation: x + 7 = 15?

Back

Subtract 7 from both sides of the equation.

Front

What is the solution to the equation: 15 = y + 10?

Back

y = 5