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8.11 Divide unit fractions by whole numbers

Interactive practice questions

Let's use the image below to help us find the value of $\frac{1}{3}\div4$13÷​4. This number line shows the number $1$1 split into $3$3 parts of size $\frac{1}{3}$13.

a

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Which image shows that each third has been divided into $4$4 parts?

013231

A

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B

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C
b

What is the size of the part created when $\frac{1}{3}$13 is divided by $4$4?

Easy
1min

Let's use the image below to help us find the value of $\frac{1}{4}\div4$14÷​4. This number line shows the number $1$1 split into $4$4 parts of size $\frac{1}{4}$14.

Easy
1min

Let's use the image below to help us find the value of $\frac{1}{5}\div3$15÷​3. This number line shows the number $1$1 split into $5$5 parts of size $\frac{1}{5}$15.

Easy
1min

The rectangle below is broken into parts of $\frac{1}{2}$12 each. Let's use this image to help us find the answer to $\frac{1}{2}\div2$12÷​2.

Medium
1min
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Outcomes

5.NF.7

Apply and extend previous understandings of division to divide unit fractions by whole numbers and whole numbers by unit fractions. Use strategies to divide fractions by reasoning about the relationship between multiplication and division. Division of a fraction by a fraction is not a requirement at this grade.

5.NF.7.a

Interpret division of a unit fraction by a non-zero whole number, and compute such quotients.

5.NF.7.b

Interpret division of a whole number by a unit fraction, and compute such quotients.

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