Common Core: 4th Grade Math : Multiply or Divide to Solve Word Problems Involving Multiplicative Comparison: CCSS.Math.Content.4.OA.A.2

Study concepts, example questions & explanations for Common Core: 4th Grade Math

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Example Questions

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Example Question #51 : Common Core Math: Grade 4

It takes Megan  to get dressed in the morning. It takes her older sister, Stephanie,  times as long. How long does it take Stephanie to get dressed? 

 

Possible Answers:

Correct answer:

Explanation:

The phrase " times as long" tells you that we are going to multiply by  

Let's have  represent how long it takes Stephanie to get dressed. 

Think:  minutes  times would be how many minutes? 

Screen shot 2015 10 06 at 10.52.44 am

Example Question #52 : Common Core Math: Grade 4

It takes Tracy  to get dressed in the morning. It takes her older sister, Angie,  times as long. How long does it take Angie to get dressed? 

 

Possible Answers:

Correct answer:

Explanation:

The phrase " times as long" tells you that we are going to multiply by  

Let's have  represent how long it takes Angie to get dressed. 

Think:  minutes  times would be how many minutes? 

 Screen shot 2015 10 06 at 10.56.03 am

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