Mid-Unit 6 Review (S)

Front

What is a variable in an equation?

Back

A variable is a symbol, often represented by a letter, that stands for an unknown value in an equation.

Front

Write an equation to represent the statement: 'Three times a number x equals 6.'

Back

Front

If Tony rode x miles, how can we express the miles Sandy biked if she biked 21 more miles than Tony?

Back

Front

Back

It represents that when 3 is added to y, the result is 6.

Front

If Dora has 30 marbles and she has 2 times the amount Monty has, what equation represents Monty's marbles?

Back

Front

Back

Front

Back

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operations without an equality sign.

Front

What is the purpose of using a variable in an equation?

Back

Variables allow us to represent unknown quantities and formulate general rules or relationships.