Unit 3 Review (OUR)

Lin’s family has completed 60% of a trip. They have traveled 30 miles. How long is the whole trip?

• 50 miles

• 48 miles

• 30 miles

• 18 miles

It took 4 hours to drive 240 miles. At this rate, how long does it take to drive 90 miles?

• 60 hours

• 6 hours

There are 9 children in a class who take the bus to school, and there are 15 total children in the class. What percentage of the children take the bus to school?

• 90%

• 60%

• 9%

• 0.6%

It takes Andre 4 minutes to swim 5 laps. How many laps per minute is that?

• 4 laps per minute

• 5 laps per minute

It takes Andre 4 minutes to swim 5 laps. How many minutes per lap is that?

• 4 minutes per lap

• 5 minutes per lap

It takes Andre 4 minutes to swim 5 laps. If Andre swims 22 laps at the same rate, how long does it take him?

• 27.5 minutes

• 5.5 minutes

• 17.6 minutes

• 4.4 minutes

A conductor is mapping a trip and records the distance the train travels over certain time intervals. The train travels at a constant speed. What is its speed?

• 45 miles per hour

• 0.5 mile per hour

• 50 miles per hour

Which weighs more: a pumpkin that weighs 3.2 kilograms, or a cat that weighs 9 pounds?

Note: 1 pound is about 0.45 kilograms.

• The pumpkin.

• The cat.

• They weigh about the same amount.

Noah and Andre are 15 miles apart on a bike path when they start biking toward each other. Noah rides at a constant speed of 4 miles per hour, and Andre rides at a constant speed of 2 miles per hour. How long does it take until Noah and Andre meet?

• 1 hour

• 7.5 hours

• 3.75 hours

• 2.5 hours