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

Example Question #53 : Use The Four Operations With Whole Numbers To Solve Problems

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 #54 : Use The Four Operations With Whole Numbers To Solve Problems

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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