2 Step Equations - 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.

Tags

CCSS.7.EE.B.4A

Front

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in the reverse order of how they are applied.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to solve a word problem using an equation?

Back

It means translating the words of the problem into a mathematical equation that can be solved.

Tags

CCSS.7.EE.B.4A

Front

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

Back

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

Tags

CCSS.7.EE.B.4A

Front

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

Back

The second step is to divide or multiply to solve for the variable.

Tags

CCSS.7.EE.B.4A

Front

How can you check your solution to a two-step equation?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Tags

CCSS.8.EE.C.7B

Front

What is the equation for the problem: A computer printer can print 10 pages per minute. There were already 35 pages in the tray. The total pages printed was 115 pages. How many minutes has the printer been running?

Back

35 + 10x = 115

Tags

CCSS.HSA.CED.A.3

Front

What does the equation 40x + 20 = 200 represent in a word problem?

Back

Mitch owed Jason $200. Mitch already paid Jason back $20. If Mitch pays Jason back $40 per week, how many weeks will it take him to pay back the money?

Front

How do you set up an equation for the problem: Olivia bought a notebook for $12.50 and 9 pens for a total of $43.73?

Back

43.73 = 12.5 + 9x

Tags

CCSS.HSA.CED.A.3

Front

What is the equation for the problem: Maria rents a bike and pays $40, with a deposit of $22 and $6 per hour?

Back

6x + 22 = 40

Tags

CCSS.HSA.CED.A.3