# Lesson 14 Represent Division of Whole Numbers by Unit Fractions

Let’s solve problems involving division of a unit fraction by a whole number.

## Warm-up Number Talk: Increasing Quotients

Find the value of each expression mentally.

## Activity 1 Notice Patterns

## Problem 1

Set A: Find the value that makes each equation true. Draw a diagram if it is helpful. What patterns do you notice?

## Problem 2

Set B: Find the value that makes each equation true. Draw a diagram if it is helpful. What patterns do you notice?

## Problem 3

What is the same about problem set A and B? What is different?

## Activity 2 Match the Situation to the Expression

Match each problem to an expression that represents the problem. Some expressions will not have a match. Be prepared to explain your reasoning.

One serving of popcorn is

cup of kernels. There are 3 cups of kernels in the bowl. How many servings are in the bowl? One serving of orange juice is

liter. The container of juice holds 2 liters. How many servings are in the container? One serving of granola is

cup. The bag of granola holds 5 cups. How many servings are in the bag? Find the value of each expression.

## Practice Problem

## Problem 1

Find the value of each expression.