Mastering Metric Units of Length

Which of the following is the smallest unit of length?

• Kilometer

• Meter

• Centimeter

• Millimeter

How many millimeters are there in 1 centimeter?

• 10

• 100

• 1000

• 0.1

If a book is 8 millimeters thick, how thick is it in centimeters?

• 0.8 cm

• 80 cm

• 0.08 cm

• 8 cm

Which tool would be most appropriate for measuring the length of a classroom?

• Ruler

• Measuring tape

• Caliper

• Micrometer

Convert 5 kilometers into meters.

• 500 meters

• 5000 meters

• 50,000 meters

• 0.5 meters

What is the relationship between meters and kilometers?

• 1 kilometer = 100 meters

• 1 kilometer = 1000 meters

• 1 meter = 0.001 kilometers

• Both B and C are correct

If a swimming pool is 25 meters long, how long is it in centimeters?

• 2500 cm

• 250 cm

• 25,000 cm

• 2.5 cm

Which of the following lengths is the longest?

• 1 kilometer

• 1000 meters

• 100,000 centimeters

• All of the above are equal in length

How many centimeters are in 3 meters?

• 30 cm

• 300 cm

• 3000 cm

• 0.3 cm

When measuring the width of a smartphone, which unit of metric length is most appropriate?

• Kilometers

• Meters

• Centimeters

• Millimeters