Common Core: 5th Grade Math : Solve Word Problems Involving Addition and Subtraction of Fractions: CCSS.Math.Content.5.NF.A.2

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

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Example Questions

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Example Question #1 : Solve Word Problems Involving Addition And Subtraction Of Fractions: Ccss.Math.Content.5.Nf.A.2

Mary has a bag of marbles. She gives half of the marbles to her brother and a third of the marbles to her sister. What fraction of the original marbles does Mary have left?

Possible Answers:

Correct answer:

Explanation:

 

 

 

Example Question #2 : Solve Word Problems Involving Addition And Subtraction Of Fractions: Ccss.Math.Content.5.Nf.A.2

Joe paited  of the fence an Sara painted . How much of the fence is painted?

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first need to make common denominators. 

Now that we have common denominators, we can add the fractions. Remember, when we add fractions, the denominator stays the same, we only add the numerator. 

 

 can be reduced be dividing both sides by .

Example Question #3 : Solve Word Problems Involving Addition And Subtraction Of Fractions: Ccss.Math.Content.5.Nf.A.2

Zach cleaned  of the house and Alex cleaned  of the house. How much of the house did they clean? 

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first need to make common denominators. 

Now that we have common denominators, we can add the fractions. Remember, when we add fractions, the denominator stays the same, we only add the numerator. 

Example Question #4 : Solve Word Problems Involving Addition And Subtraction Of Fractions: Ccss.Math.Content.5.Nf.A.2

Ben washed  of the windows and Jen washed . How much of the windows have they washed? 

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first need to make common denominators. 

Now that we have common denominators, we can add the fractions. Remember, when we add fractions, the denominator stays the same, we only add the numerator. 

Example Question #5 : Solve Word Problems Involving Addition And Subtraction Of Fractions: Ccss.Math.Content.5.Nf.A.2

Jake ate  of the popcorn and Dave ate  of the popcorn. How much of the popcorn have they eaten? 

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first need to make common denominators. 

Now that we have common denominators, we can add the fractions. Remember, when we add fractions, the denominator stays the same, we only add the numerator. 

 can be reduced by dividing  by both sides. 

Example Question #6 : Solve Word Problems Involving Addition And Subtraction Of Fractions: Ccss.Math.Content.5.Nf.A.2

Jessica ate  of the cake and Megan ate . How much of the cake have they eaten? 

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first need to make common denominators. 

Now that we have common denominators, we can add the fractions. Remember, when we add fractions, the denominator stays the same, we only add the numerator. 

Example Question #7 : Solve Word Problems Involving Addition And Subtraction Of Fractions: Ccss.Math.Content.5.Nf.A.2

Tim mowed  of the yard and Tom mowed . How much of the yard have they mowed? 

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first need to make common denominators. 

Now that we have common denominators, we can add the fractions. Remember, when we add fractions, the denominator stays the same, we only add the numerator. 

Example Question #8 : Solve Word Problems Involving Addition And Subtraction Of Fractions: Ccss.Math.Content.5.Nf.A.2

Shannon has painted  of the house and Dan has paided  of the house. How much of the house is painted?

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first need to make common denominators. 

Now that we have common denominators, we can add the fractions. Remember, when we add fractions, the denominator stays the same, we only add the numerator. 

Example Question #9 : Solve Word Problems Involving Addition And Subtraction Of Fractions: Ccss.Math.Content.5.Nf.A.2

David ate  of the pizza and Alison ate  of the pizza. How much of the pizza did they eat? 

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first need to make common denominators. 

Now that we have common denominators, we can add the fractions. Remember, when we add fractions, the denominator stays the same, we only add the numerator. 

 

Example Question #10 : Solve Word Problems Involving Addition And Subtraction Of Fractions: Ccss.Math.Content.5.Nf.A.2

Laura ate  of the ice cream and Drew ate . How much of the ice cream did they eat?

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we first need to make common denominators. 

Now that we have common denominators, we can add the fractions. Remember, when we add fractions, the denominator stays the same, we only add the numerator. 

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