Skip to lesson

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

Cogito

Grade 4 Math · Chapter 5 · Lesson 2

Practice Worksheet

Equivalent Fractions

Same amount, cut a different way.

10 problems · about 15 minutes · 4.NF.A.1

NameDate

Figure — use these to answer the problems

Make both bars cover the same amount using different numbers.
1/2
2/4
011/22/4

1/2 is equal to 2/4.

First top number1
First bottom number2
Second top number2
Second bottom number4
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “A Fraction Counts Units”

    How many sixths are in 5/6?

    Answer

  2. From “Number Patterns”

    Start at 7, add 4. What is the 5th term?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. 2/3 = ?/9. What is the top number?

    Answer

  2. Why do both numbers change together?

    • Every piece is cut the same way.
    • Because that is the rule.

  3. 1/2 = ?/10. What is the top number?

    Answer

  4. 2/5 = ?/10. What is the top number?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. 3/4 = 9/?. What is the bottom number?

    Answer

  2. Does cutting a cake into more slices give more cake?

    • No. Only smaller slices.
    • Yes.

Stretch Yourself

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

2 problems

  1. The Same Amount

    3/4 written in eighths has what top number?

    Answer

  2. The Cake

    1/3 written in twelfths has what top number?

    Answer