Rational number operations word problems

Rational number operations word problems

Poll

When multiplying/dividing fractions you need common denominators.

• True

• False

• Depends on the question

Poll

When adding/subtracting fractions you need common denominators.

• True

• False

• Depends on the question

Multiple Choice

Mrs. Borcherding can grade 5 ¼ tests in 30 minutes. She started grading tests at 5:30pm and finished at 9:30pm. How many tests did she grade in total?

• 32

• 20.5

• 21

• 42

Open Ended

In Culver City, the temperature dropped throughout the night by 5/8°F every hour. When Craig went to bed at 11:00 pm, the temperature was 70°F. He woke up at 6:00 am to get ready for school. What temperature was it when Craig woke up?

Multiple Choice

The length of a kangaroo’s leap can be up to 6 ½ times its height. If a kangaroo is 7.5 feet tall, how far can it jump?

• 51.25 ft

• 48 ft

• 48.75

• 51.5 ft

Open Ended

Mark, Ryan, Christina and Emma all live on the same street as their school:

Mark lives 5 ½ blocks west of the school

Ryan lives 4 ¼ blocks east of the school

Christina lives 2 ¾ blocks west of the school

Emma lives 6 ½ blocks east of the school

Everyone met up at Ryan's house, and then went to Christina's house to eat pizza. How much did Emma walk in total?