Unit 10 Contents

Fraction Circle Pieces: Red, Pink, Green, and Purple

Work with a partner. Use only the red circle and the pink, purple, and green pieces for Questions 4–14.

For Questions 4–9, the red circle is the unit whole.

1. How many purple pieces cover a red circle?
2. One purple piece covers what fraction of the red circle?
3. Write a common fraction for one purple piece.
   How did you know what denominator to use?
   How did you know what numerator to use?

4. Write a decimal fraction for one purple piece.


5. Cover a pink piece with purple pieces.
1. Write two common fractions for one pink piece.
2. Write a decimal fraction for one pink piece.
   What digit is in the tenths place?
   What circle pieces does that digit represent?


1. Write two common fractions for one green piece.
2. Write a decimal fraction for one green piece.


1. Write a common fraction for nine purple pieces.
2. Write a decimal fraction for nine purple pieces.
1. Write two common fractions for six purple pieces.
2. Write a decimal fraction for six purple pieces.
1. Write a mixed number for a red circle and three purple pieces.
2. Write a decimal for a red circle and three purple pieces.
10. Show the following decimal fractions using circle pieces. When possible, show more than one way.
1. 0.3
2. 0.8
3. 1.5
4. 1.2