Scott Foresman Addison Wesley, enVision Math

Name
Reteaching
14-1
Customary Units of Capacity
Capacity is the measure of an amount of liquid. Common units of
capacity are the gallon (gal), quart (qt), pint (pt), and cup (c).
The chart below shows how capacity units are related.
q
u
q a
u r
a t
r
t
1 gallon ⫽ 4 quarts
q
u
a
r
t
ⴝ
Pint
pint
ⴝ
cup
Reteaching 14-1
gallon
ⴝ
q
u
q a
u r
a t
r
t
cup
Pint
1 quart ⫽ 2 pints
1 pint ⫽ 2 cups
How to estimate volume in different units:
What is the volume estimated in gallons? in quarts?
gallon
ⴝ
q
u
q a
u r
a t
r
t
Step 1: Think: The gallon container
looks about half full.
Step 2: Estimate.
The volume of the liquid is about half
the capacity of the container.
The volume of the liquid is about
_1 gallon.
2
Step 3: Remember how gallons and
quarts are related.
1 gal ⫽ 4 qt
Step 4: Relate _12 gallon to quarts.
1 gal ⫽ __
1 (4 qt)
__
Step 5: Simplify.
1 (4 qt) ⫽ 2 qt
__
Step 6: State your estimate in quarts.
The volume of the liquid is about
2 quarts.
2
2
2
© Pearson Education, Inc. 5
1. Number Sense How many cups are in 1_12 quarts of lemonade?
Topic 14
33