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.
Write a sentence to describe the relationship between the two units.
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
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.
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?
Practice Problem
Problem 1
The average weight of a baby is 7 pounds and 8 ounces. How many ounces is that?