Common Core: 5th Grade Math : Common Core Math: Grade 5

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

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Example Questions

Example Question #11 : Solve Division Word Problems With Fractions And Whole Numbers: Ccss.Math.Content.5.Nf.B.7c

How many \(\displaystyle \frac{1}{6}\ cup\) servings are in \(\displaystyle 6\) cups of sugar? 

 

Possible Answers:

\(\displaystyle 42\)

\(\displaystyle 48\)

\(\displaystyle 30\)

\(\displaystyle 24\)

\(\displaystyle 36\)

Correct answer:

\(\displaystyle 36\)

Explanation:

Because we want to know how many \(\displaystyle \frac{1}{6}\ cup\) servings are in \(\displaystyle 6\) cups, we are dividing \(\displaystyle 6\) by \(\displaystyle \frac{1}{6}\)

Remember, whenever we divide by a fraction, we multiply by the reciprocal

\(\displaystyle \frac{6}{1}\times\frac{6}{1}=\frac{36}{1}=36\)

Example Question #633 : Number & Operations With Fractions

How many \(\displaystyle \frac{1}{6}\ cup\) servings are in \(\displaystyle 7\) cups of sugar? 

 

Possible Answers:

\(\displaystyle 49\)

\(\displaystyle 30\)

\(\displaystyle 36\)

\(\displaystyle 42\)

\(\displaystyle 48\)

Correct answer:

\(\displaystyle 42\)

Explanation:

Because we want to know how many \(\displaystyle \frac{1}{6}\ cup\) servings are in \(\displaystyle 7\) cups, we are dividing \(\displaystyle 7\) by \(\displaystyle \frac{1}{6}\)

Remember, whenever we divide by a fraction, we multiply by the reciprocal

\(\displaystyle \frac{7}{1}\times\frac{6}{1}=\frac{42}{1}=42\)

Example Question #17 : Solve Division Word Problems With Fractions And Whole Numbers: Ccss.Math.Content.5.Nf.B.7c

How many \(\displaystyle \frac{1}{6}\ cup\) servings are in \(\displaystyle 8\) cups of sugar? 

 

Possible Answers:

\(\displaystyle 48\)

\(\displaystyle 42\)

\(\displaystyle 30\)

\(\displaystyle 36\)

\(\displaystyle 49\)

Correct answer:

\(\displaystyle 48\)

Explanation:

Because we want to know how many \(\displaystyle \frac{1}{6}\ cup\) servings are in \(\displaystyle 8\) cups, we are dividing \(\displaystyle 8\) by \(\displaystyle \frac{1}{6}\)

Remember, whenever we divide by a fraction, we multiply by the reciprocal

\(\displaystyle \frac{8}{1}\times\frac{6}{1}=\frac{48}{1}=48\)

Example Question #12 : Solve Division Word Problems With Fractions And Whole Numbers: Ccss.Math.Content.5.Nf.B.7c

How many \(\displaystyle \frac{1}{6}\ cup\) servings are in \(\displaystyle 9\) cups of sugar? 

 

Possible Answers:

\(\displaystyle 54\)

\(\displaystyle 36\)

\(\displaystyle 49\)

\(\displaystyle 30\)

\(\displaystyle 42\)

Correct answer:

\(\displaystyle 54\)

Explanation:

 Because we want to know how many \(\displaystyle \frac{1}{6}\ cup\) servings are in \(\displaystyle 9\) cups, we are dividing \(\displaystyle 9\) by \(\displaystyle \frac{1}{6}\)

Remember, whenever we divide by a fraction, we multiply by the reciprocal

\(\displaystyle \frac{9}{1}\times\frac{6}{1}=\frac{54}{1}=54\)

Example Question #12 : Solve Division Word Problems With Fractions And Whole Numbers: Ccss.Math.Content.5.Nf.B.7c

How many \(\displaystyle \frac{1}{7}\ cup\) servings are in \(\displaystyle 6\) cups of sugar? 

Because we want to know how many \(\displaystyle \frac{1}{7}\ cup\) servings are in \(\displaystyle 6\) cups, 

Possible Answers:

\(\displaystyle 48\)

\(\displaystyle 42\)

\(\displaystyle 49\)

\(\displaystyle 35\)

\(\displaystyle 24\)

Correct answer:

\(\displaystyle 42\)

Explanation:

we are dividing \(\displaystyle 6\) by \(\displaystyle \frac{1}{7}\)

Remember, whenever we divide by a fraction, we multiply by the reciprocal

\(\displaystyle \frac{6}{1}\times\frac{7}{1}=\frac{42}{1}=42\)

Example Question #641 : Number & Operations With Fractions

How many \(\displaystyle \frac{1}{7}\ cup\) servings are in \(\displaystyle 7\) cups of sugar? 

 

Possible Answers:

\(\displaystyle 24\)

\(\displaystyle 35\)

\(\displaystyle 49\)

\(\displaystyle 30\)

\(\displaystyle 42\)

Correct answer:

\(\displaystyle 49\)

Explanation:

Because we want to know how many \(\displaystyle \frac{1}{7}\ cup\) servings are in \(\displaystyle 7\) cups, we are dividing \(\displaystyle 7\) by \(\displaystyle \frac{1}{7}\)

Remember, whenever we divide by a fraction, we multiply by the reciprocal

\(\displaystyle \frac{7}{1}\times\frac{7}{1}=\frac{49}{1}=49\)

Example Question #82 : How To Divide Fractions

How many \(\displaystyle \frac{1}{7}\ cup\) servings are in \(\displaystyle 8\) cups of sugar? 

 

Possible Answers:

\(\displaystyle 56\)

\(\displaystyle 60\)

\(\displaystyle 64\)

\(\displaystyle 48\)

\(\displaystyle 42\)

Correct answer:

\(\displaystyle 56\)

Explanation:

Because we want to know how many \(\displaystyle \frac{1}{7}\ cup\) servings are in \(\displaystyle 8\) cups, we are dividing \(\displaystyle 8\) by \(\displaystyle \frac{1}{7}\)

Remember, whenever we divide by a fraction, we multiply by the reciprocal

\(\displaystyle \frac{7}{1}\times\frac{8}{1}=\frac{56}{1}=56\)

Example Question #571 : Numbers And Operations

How many \(\displaystyle \frac{1}{7}\ cup\) servings are in \(\displaystyle 9\) cups of sugar? 

 

Possible Answers:

\(\displaystyle 63\)

\(\displaystyle 72\)

\(\displaystyle 64\)

\(\displaystyle 75\)

\(\displaystyle 81\)

Correct answer:

\(\displaystyle 63\)

Explanation:

Because we want to know how many \(\displaystyle \frac{1}{7}\ cup\) servings are in \(\displaystyle 9\) cups, we are dividing \(\displaystyle 9\) by \(\displaystyle \frac{1}{7}\)

Remember, whenever we divide by a fraction, we multiply by the reciprocal

\(\displaystyle \frac{9}{1}\times\frac{7}{1}=\frac{63}{1}=63\)

Example Question #21 : Solve Division Word Problems With Fractions And Whole Numbers: Ccss.Math.Content.5.Nf.B.7c

How many \(\displaystyle \frac{1}{4}\textup{ cup}\) servings are in \(\displaystyle 3\) cups of chocolate chips? 

 

Possible Answers:

\(\displaystyle 12\)

\(\displaystyle 4\)

\(\displaystyle 2\)

\(\displaystyle 9\)

\(\displaystyle 1\)

Correct answer:

\(\displaystyle 12\)

Explanation:

Because we want to know how many \(\displaystyle \frac{1}{4}\textup{ cup}\) servings are in \(\displaystyle 3\) cups, we are dividing \(\displaystyle 3\) by \(\displaystyle \frac{1}{4}\)

Remember, whenever we divide by a fraction, we multiply by the reciprocal

\(\displaystyle \frac{3}{1}\times\frac{4}{1}=\frac{12}{1}=12\)

Example Question #176 : Fractions

How many \(\displaystyle \frac{1}{3}\textup{ cup}\) servings are in five cups of chocolate chips? 

 

Possible Answers:

\(\displaystyle 20\)

\(\displaystyle 5\)

\(\displaystyle 25\)

\(\displaystyle 10\)

\(\displaystyle 15\)

Correct answer:

\(\displaystyle 15\)

Explanation:

Because we want to know how many \(\displaystyle \frac{1}{3}\textup{ cup}\) servings are in \(\displaystyle 5\) cups, we are dividing \(\displaystyle 5\) by \(\displaystyle \frac{1}{3}\)

Remember, whenever we divide by a fraction, we multiply by the reciprocal

\(\displaystyle \frac{5}{1}\times\frac{3}{1}=\frac{15}{1}=15\)

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