+
Converting
Measurements
Customary and Metric
+ Warm-Up

Mabel and her mom are going shopping on Saturday. They
bought at least one item from each of the 3 departments
that they visited. Mabel gave the clerk $120 and she got
back $11.76 change. What items did they buy? Think
about how much they spent. NO TAX TODAY!


HOUSEWARES Dishtowels: $11.38 Curtain Rods:
$12.98 Bath Mats: $29.58
CLOTHING Shirt: $30.98 Dress: $49.90 Slacks: $39.90
Hint: They bought 2
They
bought curtain
 TOOLS Hammer: $17.90 Saw: $23.90 Drill:
$25.78
items
from the
rods, bath mat,
housewares store!
slacks, and a drill.
+
Customary Measurements
http://www.brainpop.com/math/numbersan
doperations/customaryunits/
Length
1 foot (ft)
12 inches (in)
1 yard (yd)
3 feet
1 mile (mi)
5,280 feet
1 mile (mi)
1,760 yards
+
Customary Measurements
Weight
1 pound (lb)
16 ounces (oz)
1 ton (T)
2,000 pounds
+
Customary Measurements
Capacity
1 cup (c)
8 fluid ounces (fl oz)
1 pint (pt)
2 cups
1 quart (qt)
2 pints
1 gallon (gal)
4 quarts
+
Gallon Man!
+
Use Gallon Man to solve!
 What
is 36 pints converted into gallons?
How many
pints make up
the gallon?
36 pints
? gallons
=
8 pints
1 gallon
+ Use the conversion chart!
A
large juice carton has a capacity of 64
fluid ounces. How many quarts is this?
Capacity
1 cup (c)
8 fluid ounces (fl
oz)
1 pint (pt)
2 cups
1 quart (qt)
2 pints
1 gallon (gal)
4 quarts
How many fl oz are
there in 1 cup?
How many cups are
in a quart?
8 fl oz 4 = 32 fl oz in 1 quart
2 quarts
32 fl oz
64 fl oz
=
1 quart
? quarts
+ Use the conversion chart
 How
many inches are there in 7 yards?
Length
1 foot (ft)
12 inches (in)
1 yard (yd)
3 feet
1 mile (mi)
5,280 feet
1 mile (mi)
1,760 yards
How many feet are
there in 1 yard?
How many inches
are there in 1 foot?
12 in 3 = 36 in. in 1 yard
84 inches
12 in
1 yard
=
? in
7 yards
+
Metric Units
http://www.brainpop.com/math/numbersandoperations/metricunits/
 Metric
units use a series of prefixes
Metric Units
Kilo
Hecto
Deka
Base
Deci
Centi
Milli
Base
Measurements
Liter (capacity)
Meter (length)
Gram (mass)
+
Most Commonly Used Metric
Measurements
Length
1 centimeter
(cm)
1 meter (m)
10 millimeters
(mm)
100 centimeters
1 meter
1000 millimeters
1 kilometer (km)
1000 meters
+
Most Commonly Used Metric
Measurements
Mass
1 gram (g)
1000 milligrams
(mg)
1 kilogram (kg)
1000 grams
1 metric ton (t)
1000 kilograms
Capacity
1 liter (L)
1000 milliliters
(mL)
+ How to convert metric units
K
H
D
B
D
C
M
 Just count the number of letters from
the measurement you start with to the
number measurement you are
converting to
 Move your decimal that many places
+ Metric Conversion Example
K
H
D
3
2
1
B
D
A
C
M
box of cereal has a mass of 425 g.
How many kilograms is this?
425 g
.425 kg
+ Metric Conversion Example
K
What
H
D
B
D
C
M
is 765 millimeters in kilometers?
765 mm
.000765
km