# Lesson 11 Pounds and Ounces

• Let’s explore measurements in pounds and ounces.

## Warm-up Notice and Wonder: A Recipe

What do you notice? What do you wonder?

## Activity 1 Pounds and Ounces

Your teacher will show images of some packaged food items.

## Problem 1

Use the information on the images to find out how pounds (lbs) and ounces (oz) are related.

1. Write a sentence to describe the relationship between the two units.

2. Use two pieces of information to show that your conclusion is right.

## Problem 2

Complete this table with amounts in ounces.

pounds (lb)

ounces (oz)

## Activity 2 Party Prep

1. A family is cooking for a party and needs to buy some ingredients for a main dish:

• 5 pounds of rice

• pound of almonds

• 2 pounds 8 ounces of pinto beans

How many ounces of each ingredient does the family need to buy? Show your reasoning.

2. To make the dessert, they need 6 pounds of flour. If they already have 40 ounces of flour in the pantry, how many more ounces of flour do they need to buy?

## Problem 1

The average weight of a baby is 7 pounds and 8 ounces. How many ounces is that?