Common Core: 4th Grade Math : Understand Addition and Subtraction of Fractions: CCSS.Math.Content.4.NF.B.3a

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

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Example Questions

Example Question #301 : Fractions

Select the fraction model that shows the sum of 

Possible Answers:

2 8

5 6

4 8

5 8

3 8

Correct answer:

5 8

Explanation:

The fraction model is broken up into eight pieces and five of the pieces are shaded in. The numerator of the fraction tells us how many pieces should be shaded in, and the denominator tells us how many pieces the whole should be split up into. 

Example Question #821 : Numbers And Operations

Select the fraction model that shows the sum of 

 

Possible Answers:

2 8

4 8

2 6

3 8

5 8

Correct answer:

2 8

Explanation:

The fraction model is broken up into eight pieces and two of the pieces are shaded in. The numerator of the fraction tells us how many pieces should be shaded in, and the denominator tells us how many pieces the whole should be split up into. 

Example Question #123 : How To Add Fractions

Select the fraction model that shows the sum of 

 

Possible Answers:

7 8

6 8

9 12

5 12

6 12

Correct answer:

6 8

Explanation:

The fraction model is broken up into eight pieces and six of the pieces are shaded in. The numerator of the fraction tells us how many pieces should be shaded in, and the denominator tells us how many pieces the whole should be split up into. 

Example Question #124 : How To Add Fractions

Select the fraction model that shows the sum of 

Possible Answers:

2 12

6 8

3 12

5 12

7 8

Correct answer:

7 8

Explanation:

The fraction model is broken up into eight pieces and seven of the pieces are shaded in. The numerator of the fraction tells us how many pieces should be shaded in, and the denominator tells us how many pieces the whole should be split up into. 

Example Question #125 : How To Add Fractions

Select the fraction model that shows the sum of 

 

Possible Answers:

7 12


7 8

6 8

9 12

8 12

Correct answer:


7 8

Explanation:

The fraction model is broken up into eight pieces and seven of the pieces are shaded in. The numerator of the fraction tells us how many pieces should be shaded in, and the denominator tells us how many pieces the whole should be split up into. 

Example Question #126 : How To Add Fractions

Select the fraction model that shows the sum of 

 

Possible Answers:

2 12

4 12

5 12

3 12

7 12

Correct answer:

2 12

Explanation:

The fraction model is broken up into twelve pieces and two of the pieces are shaded in. The numerator of the fraction tells us how many pieces should be shaded in, and the denominator tells us how many pieces the whole should be split up into. 

Example Question #127 : How To Add Fractions

Select the fraction model that shows the sum of 

 

Possible Answers:

3 12

6 8

4 12

2 12

7 8

Correct answer:

3 12

Explanation:

The fraction model is broken up into twelve pieces and three of the pieces are shaded in. The numerator of the fraction tells us how many pieces should be shaded in, and the denominator tells us how many pieces the whole should be split up into. 

Example Question #128 : How To Add Fractions

Select the fraction model that shows the sum of 

 

Possible Answers:

6 12

4 12

3 12

2 12

5 12

Correct answer:

4 12

Explanation:

The fraction model is broken up into twelve pieces and four of the pieces are shaded in. The numerator of the fraction tells us how many pieces should be shaded in, and the denominator tells us how many pieces the whole should be split up into. 

Example Question #129 : How To Add Fractions

Select the fraction model that shows the sum of 

 

Possible Answers:

5 12

3 12

2 12

6 8

4 12

Correct answer:

5 12

Explanation:

The fraction model is broken up into twelve pieces and five of the pieces are shaded in. The numerator of the fraction tells us how many pieces should be shaded in, and the denominator tells us how many pieces the whole should be split up into. 

Example Question #130 : How To Add Fractions

Select the fraction model that shows the sum of 

 

Possible Answers:

5 12

7 12

8 12

9 12

6 12

Correct answer:

6 12

Explanation:

The fraction model is broken up into twelve pieces and six of the pieces are shaded in. The numerator of the fraction tells us how many pieces should be shaded in, and the denominator tells us how many pieces the whole should be split up into. 

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