1.	Write the unit of length that you would use to measure the height of a desk.
		A.	centimeter	B.	meter
		C.	kilometer	D.	millimeter
		Hint
	2.	Theo is reorganizing his room. What unit of length should he use to measure the furniture in his room?
		A.	centimeter	B.	meter
		C.	millimeter	D.	kilometer
		Hint
	3.	Write the unit of length that you would use to measure the length of an ant?
		A.	meter	B.	millimeter
		C.	centimeter	D.	kilometer
		Hint
	4.	Which is the best estimate for the measurement of the line segment?
		A.	0.5 m	B.	4.0 mm
		C.	0.5 km	D.	4.0 cm
		Hint
	5.	Which is the best estimate for the height of a classroom door?
		A.	24 cm	B.	24 m
		C.	2.4 m	D.	2 km
		Hint