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Cogito

Grade 5 Math · Chapter 7 · Lesson 2

Practice Worksheet

Dividing a Unit Fraction by a Whole Number

Share a small piece among several.

10 problems · about 15 minutes · 5.NF.B.7

NameDate

Figure — use these to answer the problems

Cut a piece into more pieces and see how small each becomes.

0/6 shaded

Equal pieces6
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “Dividing a Whole Number by a Unit Fraction”

    6 ÷ 1/3 = ?

    Answer

  2. From “Multiplying Mixed Numbers”

    1 1/2 × 6. What is the answer?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. 1/3 ÷ 4. What is the bottom number?

    Answer

  2. Which makes the answer bigger?

    • Dividing a whole number by a fraction.
    • Dividing a fraction by a whole number.

  3. 1/4 ÷ 2. What is the bottom number?

    Answer

  4. 1/5 ÷ 3. What is the bottom number?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. 1/2 ÷ 5. What is the bottom number?

    Answer

  2. Does 1/2 ÷ 3 give something bigger or smaller than 1/2?

    • Smaller.
    • Bigger.

Stretch Yourself

Mixed problems. Work out what kind of question it is before you start.

2 problems

  1. The Shared Half

    1/2 ÷ 4. What is the bottom number of the answer?

    Answer

  2. The Shared Third

    1/3 ÷ 2. What is the bottom number of the answer?

    Answer