Capacity

By: Casie Pease

4th Grade

Capacity (Customary Units)

Definition – the amount of liquid in an object

Fluid ounces, cups, pints, quarts, gallons

Don’t forget your benchmarks

Gallon Kingdom

There once was a Gallon Kingdom. In the kingdom, there lived 4 Queens. Each

ruled a corner of the kingdom. 4 corners, 4 queens ( 4 quarts).

Each queen had 2 princesses that were the apples of their eyes. (2 Princesses = 2 pints per queen.

Capacity

G

Gallon Kingdom

Each Princess has two cute eyes.

Gallon Kingdom

1 Gallon = 4 quarts (queens) 1 quart (queen) = 2 pints (princesses) 1 princess (pint) = 2 cups (cute eyes)

Also remember that there are 8 fluid ounces in a cup.

Apply what you know.

How many quarts are in 1 gallon? Think of Gallon Kingdom.

A) 2 B) 4 C) 6 D) 8 Answer: B

Show what you know.

How many cups are in a pint?

A) 2 B) 4 C) 6 D) 8

Answer: A) 2

How many pints are in a gallon?

A) 2 B) 4 C) 6 D) 8

Answer: D 8

How many quarts are in ½ gallon?

A) 2 B) 4 C) 6 D) 8

Answer: A

How many cups are in a gallon?

A) 4 B) 8 C) 12 D) 16

Answer: D) 16

How many ounces are in a cup?

A) 6 oz B) 8 oz C) 10 oz D) 12 oz

Answer: B ( 8oz.)

How many cups are in a quart?

A) 2 B) 4 C) 6 D) 8

Answer: B) 4

Think Tank

How many ounces are in 5 cups?

5 cups = _____ ounces Clue: 1 cup = 8 ounces Big to small or small to big? Operation??? Answer: 40 ounces

How many ounces are in two pints?

First ask yourself…how many cups are in one pint? 2 So, we have 2 pints with 2 cups in each. Therefore,

we have 4 cups in all. 4 cups = _____ ounces??? Clue: 1 cup = 8 ounces Big to small or small to big??? Answer: 32 ounces

How many pints are in 2 gallons?

2 gallons = ____ pints Clue: 1 gallon = 8 pints Operation??? Big to small or small to Big?

Answer: 16 pints

How many cups are in 8 gallons?

8 gallons = ____ cups Clue: 1 gallon = 16 cups Operation? Big to small or small to big? Solve. Answer: 128 cups

Don’t forget those teaspoons

1 ounce is about 1 teaspoon of liquid. 3 teaspoons = 1 tablespoon.

How many teaspoons are in 8 tablespoons? 8 tablespoons = ____ teaspoons Clue: 3 teaspoons = 1 tablespoon Operation: big to small or small to big Answer: 24 teaspoons

Capacity (Metrics)

Units = Milliliters (ml) – large drop of liquid

Liters (l) – fat water bottle

Kiloliters – 1,000 liters ( a small Jacuzzi filled with water is about 1,000 liters)

Benchmark Review

1 milliliter is about

A) the amount of liquid in a teaspoon. B) a large drop of liquid from a medicine

dropper. C) ½ a cup full of liquid. Answer: B (drop of liquid)

1 liter is about…

A) the size of a cup B) the size of a gallon C) the size of a fat water bottle D) the size of a can of coke

Answer: C) the size of a fat water bottle

The size of a kiloliter is about the size of a ……

A) sink of water B) jug of water C) mug of water D) Jacuzzi filled with water

Answer: D) Jacuzzi

Which unit should you use?

To measure the amount of medicine you are going to take for your cough…

A) milliliters B) liters C) kiloliters Answer: A) milliliters (ml)

Which unit would you use to measure the amount of soda in a can?

A) liters B) milliliters C) kiloliters

Answer: B) milliliters

Which unit would you use to measure the amount of liquid in large jug of water?

A) milliliters B) liters C) kiloliters

Answer: B) liters

Which unit would you use to measure the amount of water in a baby pool?

A) milliliters B) liters C) kiloliters

Answer: B) liters

Which unit would you use to measure the amount of water in an Olympic size pool?

A) milliliters B) liters C) kiloliters

Answer: C (kiloliters)

Think Tank

How many milliliters are in 7 liters? Clue: 1,000 milliliters are in 1 liter. Operation: Big to small OR small to big? 7 liters = _____ milliliters SOLVE! Answer: 7,000 milliliters

How many liters are in 9 kiloliters?

Clue: 1,000 liters are in 1 kiloliter. Operation: big to small OR small to big? 9 kiloliters = _____ liters SOLVE! Answer: 9,000 liters

How many liters are in 3,000 milliliters?

Clue: 1,000 milliliters = 1 liter Operation: big to small or small to big 3,000 milliliters = _____ liters Solve! 3,000 divided by 1,000 = 3 liters

How many liters are in 4.5 kiloliters?

Clue: 1 kiloliter = 1,000 liters Operation: big to small or small to big? 4.5 kiloliters = _____ liters SOLVE! 4.5 x 1,000 = Answer 4,500 liters

Keep Studying!!!!!!!!!!!!!

Remember, we just learned about capacity. Customary units – Gallons, quarts, pints,

cups, ounces Metric units – milliliters, liters, kiloliters