Measurements and Conversions

John rode 2 kilometers on his bike. His sister Sally rode 3000 meters on her bike. Who rode the farthest and how much farther did they ride (answer in km)?

• John rode 1km further.
• Sally rode 100km further.
• Sally rode 1km further.
• John rode 10km further.

Jessica is measuring two line segments. The first line segment is 30 cm long. The second line segment is 500 mm long. How long are the two line segments together? (answer in cm)

• 8m
• 80cm
• 800cm
• 80m

Lois wants to send a box of oranges to a friend by mail. The box of oranges cannot exceed a mass of 10 kg. If each orange has a mass of 200g, what is the maximum number she can send?

• 5 oranges
• 50 oranges
• 500 oranges
• 5,000 oranges

Walt grew 10 centimeters in 1 year. He is now 1.6 m tall. How tall was he 1 year ago?

• 1500cm
• 1,500cm
• 15m
• 1.5m

Mary buys a reel of thread for sewing. There are 10 m of thread on the real. She uses 210 cm. How much is left on the reel in centimeters?

• 79cm
• 79m
• 790cm
• 790m

Sebastian studies from 3:15 - 4:40. His sister, Sasha studies from 4:38 - 6:17.  Who studied longer and by how much?

• Sascha by 14 minutes
• Sascha by 4 minutes
• Sebastian by 14 minutes
• Sebastian by 4 minutes

Peter feels he is overweight. He is 105 kg. His aim is to lose 500 g per week. If he manages this, how many weeks will it be until he is 90 kg?

• 3 weeks
• 30 weeks
• 9 weeks
• 90 weeks

A 30 g serving of a certain breakfast cereal has 0.5 g of salt. How much salt would that be in milligrams?

• 0.5mg
• 5mg
• 50mg
• 500mg

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

• 200cm
• 20cm
• 2cm
• 0.2cm

Cheryl is moving to a new house. Her old house is 3 kilometers from her new house. How many meters is the old house from the new house?

• 3 meters
• 30 meters
• 300 meters
• 3,000 meters