Unit 10 Contents

Nila looked at the same problem, 2 − 1 . She said, “I remember that you subtract the smaller number from the larger number. We can subtract 2 − 1. Then because is smaller than , we should subtract − .”

Richard disagreed. What do you think?

Play Game 2 of Closest To in the Student Activity Book for more practice subtracting mixed numbers.

Solve the following problems using paper and pencil or mental math. Write the fractions in simplest form. Do not leave improper fractions.

1. 1 − 1 =
2. 3 − 1 =
3. 5 − 2 =
4. 4 − 2 =

5. Find two fractions with a sum that is between 2 and 3. Write a number sentence.
6. Find two fractions with a sum that is between 3 and 3 . Write a number sentence.
7. Find two fractions with a difference that is between 1 and 2. Write a number sentence.
8. Find two fractions with a difference that is between and 2. Write a number sentence.
9. Complete the Function Machine. Write the fractions in simplest form.