Common Core: 7th Grade Math : Rewrite an Expression: CCSS.Math.Content.7.EE.A.2

Study concepts, example questions & explanations for Common Core: 7th Grade Math

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Example Questions

Example Question #31 : Expressions & Equations

Christina is going to buy a new camera. The camera costs  plus an  sales tax. What is the total price that Christina will pay for her new camera? 

 

Possible Answers:

Correct answer:

Explanation:

We know that Christina is going to pay  of the  camera because that is the total cost. Plus, she is going to pay  of the  because that is the sales tax. 

First, we need to convert our percentages into decimals in order to multiply. 

Next, we can write a numeric expression and solve:

Example Question #32 : Expressions & Equations

Addison is going to buy a new computer. The computer costs  plus an  sales tax. What is the total price that Addison will pay for her new computer? 

Possible Answers:

Correct answer:

Explanation:

We know that Addison is going to pay  of the  computer because that is the total cost. Plus, she is going to pay  of the  because that is the sales tax. 

First, we need to convert our percentages into decimals in order to multiply. 

Next, we can write a numeric expression and solve:

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