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162_G3U18_G4U6˙—» ¿º 2011.3.23 9:53 AM ˘ ` 21 PDF_In 2540DPI 150LPI T
Millimeters (mm), decimeters (dm), meters (m), centimeters (cm), and kilometers
(km) are metric units of length.
Millimeters, centimeters, and decimeters are used to measure short lengths.
Meters and kilometers are used to measure long lengths.
A coin is about 1 millimeter thick.
1 mm
1 cm 10 mm 1 mm
012
centimeters
The width of a hand is about 1 decimeter.
1Ídm
1 dm 10 cm
1 dm
0 1 2 3 4 5 6 7 8 9 10
centimeters
18. Metric Units of Length 21
Millimeters (mm), decimeters (dm), meters (m), centimeters (cm), and kilometers
(km) are metric units of length.
Millimeters, centimeters, and decimeters are used to measure short lengths.
Meters and kilometers are used to measure long lengths.
A coin is about 1 millimeter thick.
1 mm
1 cm 10 mm 1 mm
012
centimeters
The width of a hand is about 1 decimeter.
1Ídm
1 dm 10 cm
1 dm
0 1 2 3 4 5 6 7 8 9 10
centimeters
18. Metric Units of Length 21
