Common Core: 5th Grade Math : Solve Real World Problems Involving Multiplication of Fractions and Mixed Numbers: CCSS.Math.Content.5.NF.B.6

Study concepts, example questions & explanations for Common Core: 5th Grade Math

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Example Questions

Example Question #783 : Fractions

Hannah is trying out for the track team this year. On Monday she ran  laps. On Tuesday she runs  times as many laps as she did on Monday. How many laps does she run on Tuesday? 

 

Possible Answers:

Correct answer:

Explanation:

First, you need to change the mixed number into an improper fraction. To do this, you multiply the denominator by the whole number, then add the numerator. That number becomes the numerator of your improper fraction. The denominator stays the same. 

Then put your whole number over  to make it a fraction, and multiply like normal. 

Finally, reduce to find your final answer. 

Example Question #784 : Fractions

Hannah is trying out for the track team this year. On Monday she ran  laps. On Tuesday she runs  times as many laps as she did on Monday. How many laps does she run on Tuesday? 

 

Possible Answers:

Correct answer:

Explanation:

First, you need to change the mixed number into an improper fraction. To do this, you multiply the denominator by the whole number, then add the numerator. That number becomes the numerator of your improper fraction. The denominator stays the same. 

Then put your whole number over  to make it a fraction, and multiply like normal. 

Finally, reduce to find your final answer. 

Example Question #785 : Fractions

Lauren is trying out for the track team this year. On Monday she ran  laps. On Tuesday she runs  times as many laps as she did on Monday. How many laps does she run on Tuesday? 

 

Possible Answers:

Correct answer:

Explanation:

First, you need to change the mixed number into an improper fraction. To do this, you multiply the denominator by the whole number, then add the numerator. That number becomes the numerator of your improper fraction. The denominator stays the same. 

Then put your whole number over  to make it a fraction, and multiply like normal. 

Finally, reduce to find your final answer. 

Example Question #786 : Fractions

Lauren is trying out for the track team this year. On Monday she ran  laps. On Tuesday she runs  times as many laps as she did on Monday. How many laps does she run on Tuesday? 

 

Possible Answers:

Correct answer:

Explanation:

First, you need to change the mixed number into an improper fraction. To do this, you multiply the denominator by the whole number, then add the numerator. That number becomes the numerator of your improper fraction. The denominator stays the same. 

Then put your whole number over  to make it a fraction, and multiply like normal. 

Finally, reduce to find your final answer. 

Example Question #787 : Fractions

Lauren is trying out for the track team this year. On Monday she ran  laps. On Tuesday she runs  times as many laps as she did on Monday. How many laps does she run on Tuesday? 

 

Possible Answers:

Correct answer:

Explanation:

First, you need to change the mixed number into an improper fraction. To do this, you multiply the denominator by the whole number, then add the numerator. That number becomes the numerator of your improper fraction. The denominator stays the same. 

Then put your whole number over  to make it a fraction, and multiply like normal. 

Finally, reduce to find your final answer. 

Example Question #791 : Fractions

Lauren is trying out for the track team this year. On Monday she ran  laps. On Tuesday she runs  times as many laps as she did on Monday. How many laps does she run on Tuesday? 

 

Possible Answers:

Correct answer:

Explanation:

First, you need to change the mixed number into an improper fraction. To do this, you multiply the denominator by the whole number, then add the numerator. That number becomes the numerator of your improper fraction. The denominator stays the same. 

Then put your whole number over  to make it a fraction, and multiply like normal. 

Finally, reduce to find your final answer. 

Example Question #792 : Fractions

Lauren is trying out for the track team this year. On Monday she ran  laps. On Tuesday she runs  times as many laps as she did on Monday. How many laps does she run on Tuesday? 

 

Possible Answers:

Correct answer:

Explanation:

First, you need to change the mixed number into an improper fraction. To do this, you multiply the denominator by the whole number, then add the numerator. That number becomes the numerator of your improper fraction. The denominator stays the same. 

Then put your whole number over  to make it a fraction, and multiply like normal. 

Finally, reduce to find your final answer. 

Example Question #271 : How To Multiply Fractions

Lauren is trying out for the track team this year. On Monday she ran  laps. On Tuesday she runs  times as many laps as she did on Monday. How many laps does she run on Tuesday? 

 

Possible Answers:

Correct answer:

Explanation:

First, you need to change the mixed number into an improper fraction. To do this, you multiply the denominator by the whole number, then add the numerator. That number becomes the numerator of your improper fraction. The denominator stays the same. 

Then put your whole number over  to make it a fraction, and multiply like normal. 

Finally, reduce to find your final answer. 

Example Question #511 : Number & Operations With Fractions

A recipe calls for  of a cup of flour. If you only want to make half of the recipe, how much flour do you need?

 

Possible Answers:

Correct answer:

Explanation:

When you cut something in half, you can either divide by  or multiply by . Remember, when you divide fractions, you actually multiply by the reciprocal. The reciprocal of  is 

 

Example Question #512 : Number & Operations With Fractions

A recipe calls for  of a cup of flour. If you only want to make half of the recipe, how much flour do you need?

 

Possible Answers:

Correct answer:

Explanation:

When you cut something in half, you can either divide by  or multiply by . Remember, when you divide fractions, you actually multiply by the reciprocal. The reciprocal of  is 

 

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