Metric Conversion Review

The length of an ear of corn is 190 millimeters.

How many centimeters is this? 1 cm = 10 mm

• 15

• 19

• 24

• 1.9

Jessie found that the mass of her pencil box was 456 grams. What was the mass of her pencil box in kilograms? 1 kg = 1,000 g

• 456,000 kg

• 45,600 kg

• 0.456 kg

• 0.0046

Samantha measured the length of her bed and found that it was 3.2 m. What is the length of her bed in millimeters?

1 m = 1,000 mm

• 32

• 320

• 3,200

• 0.0032

Henry has a pencil that is 24.1 cm long. Serena's pencil is 235 mm long. Who has the longer pencil? 1 cm = 10 mm

• Henry

• Serena

• they are the same

Mary ran 2.4 kilometers in a race. Steven ran 2,399 meters in another race. Who ran a shorter distance? 1 km = 1000 m

• Mary

• Steve

• They both ran the same amount

An aquarium holds 34,800 L of water. How many kL of water are in the aquarium? 1kL = 1,000 L

• 34,800,000

• 3,480

• 348

• 34.8

Which is NOT equal to 450 m?

• 450.0 m

• 450,000 km

• 4.5 cm

• .45 mm

Which is not equal to 12 g?

• 1,200 mg

• 1,200 cg

• 0.012 kg

• 12.0 g

Which is NOT equal 4.9 m?

• 49 cm

• 4,900 mm

• 0.0049 km

• 4.90 m

Is 55,000 mg greater than, less than, or equal to 5 kg?

• greater than

• equal to

• less than