Unit 9 Contents

What Is 1?

The fraction one-half can be big or small, depending on the size of the whole. Half of a personal pizza is not the same as half of an extra-large pizza. Half of a pie for 50¢ is not the same as half of a cupcake for 50¢.

Check-In: Questions 16–20

Use your fraction circle pieces to answer the following questions.

16. What is the unit whole:
1. if the pink piece is one-half?
2. if the yellow piece is one-half?
3. if the blue piece is one-half?
17. What is the unit whole:
1. if the yellow piece is one-fourth?
2. if the blue piece is one-fourth?
18. What is the unit whole if the blue piece is one-eighth?
19. What is the unit whole:
1. if three yellow pieces are three-fourths?
2. if three blue pieces are three-fourths?
20. Josh said, “In class, we have called the pink, yellow, and blue pieces one-half. How is that possible?” Explain how all of these pieces can show one-half of a whole.

Use the Fractions in Shapes pages in the Student Activity Book to show and name fractions.