Lesson 18 Refine Session

Marvin turns in his third research report. His teacher says that 20% of Marvin's reports for the year are done. How many research reports will Marvin complete during the school year? Show your work.

Rani has 40 poppy plants in her garden. Fifteen percent of Rani’s poppy plants have orange flowers. How many poppy plants have orange flowers? Show your work.

Two sixth grade classes are raising money. Mrs. Shen’s class raises $120. Mr. McClary’s class raises 50% of the amount Mrs. Shen’s class raises. How much money do the two classes raise in all?

What percent of 20 is 5?

Three basketball players take different numbers of shots during practice. They each record the number of baskets made out of the
number of shots taken. The players in order from greatest percent of baskets made to least

percent of baskets made are______ , _____,

and_____ .

Rosa and her stepsister, Sierra, have a limit to the time they may play video games each day. They both play for 9 min on Monday, which is 30% of the time they can play. How many more minutes can Rosa and Sierra play on Monday? Show your work.30

a. 80% of 90 is the same as  8/9  of 90

• True

• False

b. 45% of 60 is 27.

• True

• False

c. 20% of 90 is the same as  1/5  of 90.

• True

• False

d. 25 is 35% of 80.

• True

• False