Expressions and Equations

Front

What is the inverse operation of subtraction?

Back

Addition

Front

When solving 234 + N = 389, what operation would you use to find the answer?

Back

Subtraction

Front

Cheryl gets paid $8 per hour for her job at the record store. She made a total of $96 last week. Which equation models this situation?

Back

8h = 96

Front

What is the inverse operation of division?

Back

Multiplication

Front

What equation matches this situation? Robyn had some video games then bought 4 more. Now she has a total of 10 games.

Back

v + 4 = 10

Front

What is an expression?

Back

A combination of numbers, variables, and operators (like + and -) without an equality sign.

Front

What is an equation?

Back

A mathematical statement that two expressions are equal, containing an equality sign.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is a variable in mathematics?

Back

A symbol, often a letter, that represents an unknown value.

Front

What is the purpose of using parentheses in expressions?

Back

To indicate which operations should be performed first.