One-Step Equations Addition/Subtraction

Front

Solve the equation for the missing variable: s - 22 = 50

Back

s = 72

Front

x - 62 = 123. How should you show your work to isolate the variable and solve the equation?

Back

Add 62 to each side

Front

What is the correct step to solve for the variable? 25 = n + 5

Back

subtract 5 from both sides

Front

Solve the equation for the missing variable: r + 20 = 27

Back

r = 7

Front

What equation matches the situation? Tom had 12 candies and ate 4. How many candies does he have now?

Back

12 - 4 = c

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What does it mean to isolate a variable?

Back

To manipulate an equation so that the variable is on one side and all other terms are on the other side.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

If you have the equation x + 5 = 10, how do you solve for x?

Back

Subtract 5 from both sides to get x = 5.