Download Re-Teach Wks 25-6

LESSON 25.6
Name
Relate Benchmark Measurements
You can use a table of conversions to help relate metric
and customary measurements to each other.
TABLE OF CONVERSIONS
Customary to Metric
Metric to Customary
Linear
1 inch is about 221 centimeters.
1 yard is a little less than 1 meter.
1 mile is a little longer than 121 kilometers.
Linear
221 centimeters are about 1 inch.
1 meter is a little longer than 1 yard.
1 kilometer is a little longer than 21 mile.
Capacity
1 quart is a little less than 1 liter.
Capacity
1 liter is a little more than 1 quart.
Mass/Weight
2 pounds are a little less than 1 kilogram.
Mass/Weight
1 kilogram is a little more than 2 pounds.
About how many centimeters are in 3 inches?
(Remember: means “is about equal to”)
Think: 1 in. 212 cm
1
1
1
1
So: 3 in. 22 22 22 72 cm
There are about 712 centimeters in 3 inches.
About how many kilograms are in 8 pounds?
Think: 1 kg 2 lb
So: 8 lb 8 2 4 kg
There are about 4 kilograms in 8 pounds.
Estimate the conversion.
© Harcourt
1.
2.
2 mi 3 km
Think: 1 mi 112 km
112 km 112 km 4 in. lb cm
Think: 1 in. 5.
km
5 kg 10 lb
Think: 1 kg 2 lb
lb 3.
3
12 lb kg
lb lb 4.
3L
lb qt
Think: 1 L cm
6.
6 km lb
qt
mi
Reteach
RW137
LESSON 25.6
Name
Relate Benchmark Measurements
You can use a table of conversions to help relate metric
and customary measurements to each other.
TABLE OF CONVERSIONS
Customary to Metric
Metric to Customary
Linear
1 inch is about 221 centimeters.
1 yard is a little less than 1 meter.
1 mile is a little longer than 121 kilometers.
Linear
221 centimeters are about 1 inch.
1 meter is a little longer than 1 yard.
1 kilometer is a little longer than 21 mile.
Capacity
1 quart is a little less than 1 liter.
Capacity
1 liter is a little more than 1 quart.
Mass/Weight
2 pounds are a little less than 1 kilogram.
Mass/Weight
1 kilogram is a little more than 2 pounds.
About how many centimeters are in 3 inches?
(Remember: means “is about equal to”)
Think: 1 in. 212 cm
1
1
1
1
So: 3 in. 22 22 22 72 cm
There are about 712 centimeters in 3 inches.
About how many kilograms are in 8 pounds?
Think: 1 kg 2 lb
So: 8 lb 8 2 4 kg
There are about 4 kilograms in 8 pounds.
Estimate the conversion.
© Harcourt
1.
2.
3.
5.
2 mi 3 km
Think: 1 mi 112 km
112 km 112 km 5 kg 10 lb
Think: 1 kg 2 lb
2 lb 2 lb 3
2
km
lb lb 2
4 in. 10 cm
1
Think: 1 in. 22 cm
4.
12 lb 6.
6
kg
lb 10 lb
2
3L
3
qt
Think: 1 L 6 km 4
1
qt
mi
Reteach
RW137