Equation Word Problems (2-step)

Front

What is a two-step equation?

Back

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

Tags

CCSS.7.EE.B.4A

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations on both sides of the equation until the variable is alone on one side.

Tags

CCSS.6.EE.B.7

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.

Tags

CCSS.7.EE.B.4A

Front

What is the first step in solving a two-step equation?

Back

The first step is usually to eliminate any constant added or subtracted from the variable.

Tags

CCSS.7.EE.B.4A

Front

If 5 times a number increased by 30 is 15, what is the number?

Back

-3

Tags

CCSS.7.EE.B.4A

Front

A computer printer can print 10 pages per minute. If there were already 35 pages in the tray and the total printed was 115 pages, how many minutes has the printer been running?

Back

8 minutes

Tags

CCSS.HSA.CED.A.3

Front

Nicole and her friend earned money mowing lawns. If each got $10.93, what is the total amount earned? Which equation could you use?

Back

d/2=10.93

Tags

CCSS.HSA.CED.A.3

Front

Terry was charged $50 per hour for labor and $150 for parts. If his total bill was $375, how many hours of labor was he charged for?

Back

4.5 hours

Tags

CCSS.7.EE.B.4A

Front

What is the cost of admission for a group of 26 students if the zoo charges $135 for 15 students and $7.50 for each additional student?

Back

$217.50

Front

What is the equation to find the total amount earned if two people split the money equally?

Back

d/2 = amount each person received.

Tags

CCSS.HSA.CED.A.3