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Measuring
Metric Units: Length
By Rosi Barron
<--- To Teacher Page
•Fifth Grade Measuring: Metric Length
Measuring
•Tips:
-Teachers, please read through the whole
presentation prior to the activity.
-Each activity is meant to be used in addition to
your classroom teaching.
-Each activity includes a journal component.
•Objectives: TSW determine the appropriate
metric unit for measuring length.
These are the Length Metric Units of Measurement.
1,000 millimeters (mm) = 1 meter (m)
100 centimeters (cm) = 1 meter
10 decimeters (dm) = 1 meter
1 kilometer (km) = 1,000 meters
Millimeter
about as
wide as a
dime.
Centimeter
about as
wide as
your pinkie.
Journal each
time you see
this pad.
Decimeter
is equal to 10
centimeters.
Write A, B, or C and then tell why you chose
this measurement as the most reasonable.
Width of
a window
A. 10 cm
B. 10 dm
C. 10 km
Diameter
of a ring
A. 15 mm
B. 15 cm
C. 15 km
Length of
a crayon
A. 8 mm
B. 8 cm
C. 8 dm
Length of
a car
A. 4 dm
B. 4 m
C. 4 km
Click to see if you answered
correctly --------->
Are these the choices you made?
Width of
a window
A. 10 cm
B. 10 dm
C. 10 km
Diameter
of a ring
A. 15 mm
B. 15 cm
C. 15 km
Length of
a crayon
A. 8 mm
B. 8 cm
C. 8 dm
Length of
a car
A. 4 dm
B. 4 m
C. 4 km
Journal what else might have
one of these measurements.