Write/ Solve Addition and Subtraction Equations

Front

What is an addition equation?

Back

Front

What is a subtraction equation?

Back

Front

How do you solve an addition equation?

Back

Front

How do you solve a subtraction equation?

Back

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of subtraction?

Back

The inverse operation of subtraction is addition.

Front

Write an equation for the following situation: Alex has 3 cats and together with Lilly they have 12 cats.

Back

Front

Write an equation for the following situation: Robyn had some video games, then bought 4 more, and now has 10 games.

Back

Front

If Erica is 4 years old and this is 12 years younger than her sister Jessica, write an equation to find Jessica's age.

Back

Front

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

Back

To isolate a variable means to manipulate the equation so that the variable is on one side by itself, allowing you to solve for its value.