Lesson 15 Fraction Division Situations

- Let’s write division situations and solve problems involving division of whole numbers and unit fractions.

Warm-up Number Talk

Find the value of each expression mentally.

$6 \div 3$
$6 \div \frac{1}{3}$
$\frac{1}{3} \div 6$
$\frac{1}{3} \div 12$

Activity 1 Card Sort: Fraction Division Problem Sort

Your teacher will give you a set of cards. Match each expression with a situation. Some expressions do not have a matching situation.
Answer each question. Be prepared to share your reasoning.

Activity 2 Division Story Situations

Choose one of the expressions from the card sort that didn’t have a match. Write a situation that matches the expression.
Trade situations with another group and answer their question.

Practice Problem

Problem 1

Solve each problem. Write an equation showing your answer.

There are 4 liters of water. How many $\frac{1}{2}$ liter bottles of water is that?
4 friends split $\frac{1}{2}$ pound of dried fruit equally. How many pounds of fruit does each friend get?