Unit 8 Contents

Mrs. Dewey told the class to use the red circle as the unit whole. She asked them to write a fraction for 3 green pieces, and a number sentence to represent the fraction.

Irma used addition and wrote + + = .

Roberto used multiplication and wrote 3 = .

Who is correct? Does + + = 3?

Fraction Sentences

For Questions 25–29, the red circle is one whole. Write addition or multiplication sentences for the following problems. See the example at the right for ways to show .

25. Show using blue pieces. (Cover a pink piece with blue pieces.) Write a number sentence to represent this figure.
1. The orange piece is . Show using aqua pieces and write a number sentence to represent this figure.
2. Show using aqua pieces. Write a number sentence to represent this figure.
3. Does + + + = 2 ? Show or tell how you know.
1. The green piece is . Show using purple pieces and write a number sentence to represent this figure.
2. Show using purple pieces. Write a number sentence to represent this figure.
3. Does + + + = 2 ? Show or tell how you know.