Rates and Percents

Part

100

What is the formula (rule) for finding the Part?

Total multiplied by the Percent as a decimal. 

200

What is 20% of 80?

16

300

_____________ is 150% of 6.

9

400

Lonnaye got a 92% on her test. The test has 25 questions. How many questions did she get right?

23 questions

500

Ryan and Brakly each bought a new game system for $160.

• Ryan sold his game system for 30% less than the original price.

• Brakly sold his game system for 20% less than the original price. 

Who received more money for their game and how much more did they receive? 

Brakly made more money selling his game system. He made $16 more than Ryan. 

Total

100

What is the formula (rule) for finding the Total?

Part divided by Percent as a decimal.

200

100% of  _____________ is 10.

10

300

50% of ___________ is 17.

34

400

Alanna completed 25% of her test. Alanna answered 5 questions. How many questions are on the test?

20

500

There are 5 students from Ms. Zhuta’s homeroom who don’t take the bus home from school. If those students make up 20% of Ms. Zhuta’s homeroom, then how many total students are in Ms. Zhuta’s homeroom class?

25

Percent

100

What is the formula (rule) for finding the percentage of a number? 

Part divided by Total multiplied by 100

200

2 is __________% of 8.

25

300

32  is __________% of 50.

64

400

10  is __________% of 4.    

250

500

In a survey of 1000 people, 60 people did not know how to ride a bike. What percentage of people in the survey did not know how to ride a bike? 

6%

Rates

100

What does the word PER mean and what operation does it relate to? 

Per means for every one and it relates to division. 

200

Mya can ride her bike 186 miles in 5 hours. How many miles can she bike for 1 hour? 

37.2 miles

300

David ran 40 miles in 8 minutes. Assume that he maintains a constant speed. How long will it take him to run 1 mile? 

0.2 minutes

400

Antoine takes 4 seconds to run 10 yards. If Antoine runs 77 yards at the same rate, how long does it take him? 

30.8 seconds

500

Ms. Zhuta’s DoorDash driver travels 315 miles in 9  hours. How many miles can the driver travel in 1 hour?

35 miles

Random Review

100

What is the area of a parallelogram with a base of 5 units and a height of 7 units? 

35 square units

200

What is the area of a triangle with a base of 3 units and a height of 4 units?

6 square units

300

What is the name of a polyhedra that has 3 rectangles and 2 triangles? 

Triangular Prism

400

Complete the table:

2       8

1      4

___    1

0.25 or equivalent 

500

What is Ms.Zhuta's favorite color? 

Black