One Step Addition and Subtraction Equations

Front

What is a one-step addition equation?

Back

An equation that can be solved by adding the same number to both sides to isolate the variable.

Front

What is a one-step subtraction equation?

Back

An equation that can be solved by subtracting the same number from both sides to isolate the variable.

Front

How do you solve the equation z - 2⅓ = 1⅔?

Back

Add 2⅓ to both sides to find z = 4.

Front

What is the addition property of equality?

Back

It states that if you add the same number to both sides of an equation, the two sides remain equal.

Front

How do you solve the equation 1/4 + x = 7/8?

Back

Subtract 1/4 from both sides to find x = 5/8.

Front

What does '5 less than a number' mean in equation form?

Back

It can be expressed as x - 5.

Front

What is the first step to solve x - 5 = 15?

Back

Add 5 to both sides to isolate x.

Front

What is the solution to the equation 5 + x = 12?

Back

x = 7.

Front

How do you represent 'a number increased by 6' in an equation?

Back

It can be represented as x + 6.

Front

What is the solution to the equation x + 21 = 30?

Back

x = 9.