Writing two step equations from word problems

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

Define the variable in a word problem.

Back

The variable in a word problem represents an unknown quantity that we are trying to find.

Front

How do you identify the variable in a word problem?

Back

Look for the quantity that is not given and is being asked for in the problem.

Front

What does the equation 8x + 50 = 130 represent?

Back

It represents the total cost of buying x books at $8 each, plus a $50 gift card, equaling $130.

Front

What is the first step to solve the equation 4h + 65 = 93?

Back

Subtract 65 from both sides to isolate the term with the variable.

Front

What does the equation 12s + 85 = 613 represent?

Back

It represents the total cost of a trip, where 12s is the cost per student and 85 is the fixed bus fee.

Front

How do you set up an equation from a word problem?

Back

Identify the known quantities, define the variable, and translate the relationships into an equation.

Front

What is the solution to the equation 4h + 65 = 93?

Back

h = 7, meaning Michelle worked 7 hours.

Front

What does the variable 'm' represent in the equation m = (total pages - pages in tray) / pages per minute?

Back

m represents the number of minutes the printer has been running.

Front

What is the total cost equation for John's book purchase?

Back

The total cost equation is 8x + 50 = 130.