Skip to lesson

Choose “Save as PDF” in the print dialog to keep a copy.

Cogito

Grade 4 Math · Chapter 5 · Lesson 3

Practice Worksheet

Comparing Unlike Fractions

Make the pieces the same, then count.

10 problems · about 16 minutes · 4.NF.A.2

NameDate

Figure — use these to answer the problems

Both fractions sit against the same whole and on the same line.
3/5
2/3
013/52/3

3/5 is less than 2/3.

First top number3
First bottom number5
Second top number2
Second bottom number3
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “Equivalent Fractions”

    2/3 = ?/9. What is the top number?

    Answer

  2. From “A Fraction Counts Units”

    How many sixths are in 5/6?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. 2/3 written in twelfths has what top number?

    Answer

  2. Why can you not compare 2/5 and 1/2 by counting?

    • The pieces are different sizes.
    • The numbers are too big.

  3. Is 3/4 bigger than 2/3?

    • Yes. 9/12 beats 8/12.
    • No.

  4. 3/5 written in tenths has what top number?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. Is 4/9 more or less than a half?

    • Less.
    • More.

  2. Is 5/6 bigger than 7/12?

    • Yes. 10/12 beats 7/12.
    • No.

Stretch Yourself

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

2 problems

  1. The Two Jugs

    One jug is 5/8 full, another 1/2. Which has more?

    • 5/8.
    • 1/2.

  2. The Reading

    Ana read 2/5 of her book, Leo 3/8 of his. Who read more, if the books are the same?

    • Ana.
    • Leo.