6th Grade Equations

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

If the area of a rectangular deck is 125 square feet and the width is 25 feet, what is the equation to find the length?

Back

25x = 125, where x is the length.

Front

How do you isolate a variable in an equation?

Back

You perform the same operation on both sides of the equation.

Front

What is the solution to the equation 4 + b = 30?

Back

b = 26.

Front

What is the first step to solve the equation x - 62 = 123?

Back

Add 62 to both sides.

Front

If one package of diapers costs $8, how do you express the total cost for n packages?

Back

Total cost = 8n.

Front

What is the equation to find how many packages of diapers you can buy with $40?

Back

8n = 40.

Front

What does it mean to distribute in algebra?

Back

To multiply each term inside the parentheses by the term outside.

Front

What is the result of distributing 9(2g + 3)?

Back

18g + 27.

Front

What is a variable in an equation?

Back

A symbol that represents an unknown value.