Common Core: 4th Grade Math : Build fractions from unit fractions

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

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Example Questions

Example Question #31 : Build Fractions From Unit Fractions

 is equal to which of the options below? 

Possible Answers:

Correct answer:

Explanation:

When we add mixed numbers, we add whole numbers to whole numbers, and fractions to fractions.

Don't forget, when we add fractions, we have to have common denominators and we only add the numerators. 

Example Question #31 : Build Fractions From Unit Fractions

 is equal to which of the options below? 

Possible Answers:

Correct answer:

Explanation:

When we add mixed numbers, we add whole numbers to whole numbers, and fractions to fractions.

Don't forget, when we add fractions, we have to have common denominators and we only add the numerators. 

Example Question #32 : Build Fractions From Unit Fractions

 is equal to which of the options below? 

Possible Answers:

Correct answer:

Explanation:

When we add mixed numbers, we add whole numbers to whole numbers, and fractions to fractions.

Don't forget, when we add fractions, we have to have common denominators and we only add the numerators. 

Example Question #33 : Build Fractions From Unit Fractions

 is equal to which of the options below? 

Possible Answers:

Correct answer:

Explanation:

When we add mixed numbers, we add whole numbers to whole numbers, and fractions to fractions.

Don't forget, when we add fractions, we have to have common denominators and we only add the numerators. 

Example Question #34 : Build Fractions From Unit Fractions

 is equal to which of the options below? 

Possible Answers:

Correct answer:

Explanation:

When we add mixed numbers, we add whole numbers to whole numbers, and fractions to fractions.

Don't forget, when we add fractions, we have to have common denominators and we only add the numerators. 

Example Question #35 : Build Fractions From Unit Fractions

 is equal to which of the options below? 

Possible Answers:

Correct answer:

Explanation:

When we add mixed numbers, we add whole numbers to whole numbers, and fractions to fractions.

Don't forget, when we add fractions, we have to have common denominators and we only add the numerators. 

 

Example Question #1 : Solve Word Problems Involving Addition And Subtraction Of Fractions: Ccss.Math.Content.4.Nf.B.3d

This year, Samantha grew  of an inch, and her brother, David, grew  of an inch. How much more did David grow than Samantha?

Possible Answers:

Correct answer:

Explanation:

The phrase, "how much more" tells as that we want to find the difference in how much they've grown. 

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Example Question #1 : Multiply A Fraction By A Whole Number: Ccss.Math.Content.4.Nf.B.4

Possible Answers:

Correct answer:

Explanation:

When we multiply a fraction by a whole number we need to make the whole number into a fraction by putting our whole number over .

 because  can go into  one time, and  is left over. 

Example Question #31 : Build Fractions From Unit Fractions

Possible Answers:

Correct answer:

Explanation:

When we multiply a fraction by a whole number we need to make the whole number into a fraction by putting our whole number over .

 

Example Question #3 : Multiply A Fraction By A Whole Number: Ccss.Math.Content.4.Nf.B.4

Possible Answers:

Correct answer:

Explanation:

When we multiply a fraction by a whole number we need to make the whole number into a fraction by putting our whole number over .

 because  can go into  six times.

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