PS Semester 2 Review

Convert from meters to cm:  9 meters

• 900 cm
• 90 cm
• 0.9 cm
• 0.09 cm

Convert 17 m to cm:

• 0.17 cm
• 0.017 cm
• 1,700 cm
• 170 cm

Convert 300 meters to centimeters:

• 3000 cm
• 0.3 cm
• 30,000 cm
• 3 cn

490,000 g =____ kg

• 490
• 49
• 4,900
• 0.49

240 cm = ___________ m

• 2400
• 24
• 2.4
• 0.24

2804 mg = ___________ g

• 0.2804
• 2.804
• 28.04
• 280.4

Convert 300 cm to m:

• 3 m
• 30 m
• 0.3 m
• 0.03 m

If an eraser is 25 millimeters long, how many centimeters long is it?

• 2
• 2.5
• 25
• 250

820 mg = _____ cg

• 82,000
• 82
• 0.82
• 0.0082

Jennifer’s height is 1.6307 m tall.  She made the following measurements of her height:

a.      1.6 m

b.     1.64136 m

c.      2.064 m

d.     1.63 m

Which of the above measurements is the most accurate measurement?

• A

• B

• C

• D

Answer explanation

D is the most accurate because it is closer to the given value for her height.