# Lesson 14 Weight and Capacity Measurements

• Let’s solve problems about weight and capacity.

## Warm-up Number Talk: Lots of Thousands

Find the value of each expression mentally.

## Problem 1

• This jug contains 1 gallon of milk.

• This jug contains 4 quarts of milk.

• This jug contains 16 cups of milk.

Complete each statement so that it is true:

1. One gallon is times as much as 1 quart.

2. One gallon is times as much as 1 cup.

3. One quart is times as much as 1 cup.

## Problem 2

For a potluck party, Priya and three other relatives are bringing mango lassi.

guest

amount of lassi

Priya

10 cups

Uncle

3 quarts

Cousin

8 cups

Grandma

2 gallons

1. Who prepared the most mango lassi? Explain or show your reasoning.

2. How many cups of lassi did all the guests bring?

3. Complete this sentence: Priya’s grandma made times as much lassi as Priya’s cousin. Show how you know.

## Problem 1

At a craft store, clay is sold in packs of different sizes: 1 pound, 24 ounces, 3 pounds, and 5 pounds.

An art teacher needs 120 ounces of clay for her class.

1. Would she have enough clay if she bought each of the following combinations? Explain or show your reasoning.

1-pound pack

24-ounce pack

3-pound pack

5-pound pack

Combo A

Combo B

Combo C

## Problem 2

Decide if each statement is true or false. Be prepared to explain or show your reasoning.

1. A 3-pound pack weighs 2 times as much as a 24-ounce pack.

2. If we combine a 1-pound pack, a 3-pound pack, and a 5-pound pack, we’d have 6 times as much clay as what’s in a 24-ounce pack.

## Problem 1

1. Jada’s class drank 2 gallons of milk at lunch. How many cups is that?

2. The third graders at Jada’s school drank 3 times as much milk as Jada’s class. How many quarts is that?

## Problem 2

1. A rectangle has perimeter 19 cm. One side is 4 cm. How long is the other side of the rectangle?

2. A square has perimeter 19 cm. How long is each side of the square? Explain or show your reasoning.