Working with units

1234 mg = ___________ kg

• 0.0001234

• 0.001234

• 0.01234

• 0.1234

Jamie used a microscope to measure the diameter of a hair. She found the diameter to be 0.0000072 meters. How is this number written in scientific notation?

• 7.2 X 10⁻⁵

• 7.2 X 10⁵

• 7.2 X 10⁶

• 7.2 X 10⁻⁶

5,000 mL = _____________L

• 50 L

• 500 L

• 50,000 L

• 5 L

Convert 30 centimeters to meters.

• 300 meters

• 3 meters

• 0.03 meters

• 0.3 meters

Answer explanation

There are 100 centimeters in 1 meter.

Chase measured a line for his art project. It is 200 cm long. How many meters is the line?

• 2 m

• 20 m

• 200 m

K H D U D C M

5 cm _____mm

• 500 mm

• 50 mm

• .05 mm

Which measurement is the smallest unit to the largest unit?

a

b

Smallest

Largest

 Doug measures the length of his backyard to be 189 inches. How long is his backyard in feet?

• 15.75

• 17.60

• 7.5

For a party, Lori made fruit punch from 1 gallon of orange juice, 2 quarts of grape juice, 5 pints of pineapple juice, and 12 cups of cranberry juice.

Order the juices from least to greatest.

• orange juice, grape juice, pineapple juice, cranberry juice

• orange juice, cranberry juice, pineapple juice, grape juice

• grape juice, pineapple juice, cranberry juice, orange juice

• cranberry juice, pineapple juice, grape juice, orange juice.

Your mom is digging in your garden to make room for some new potting soil. If you dig up 20 quarts of dirt, how many gallons did you dig up?

• 7 gallons

• 5 gallons

• 8 gallons

• 6 gallons