Percents Proportions and Unit Rates

Mrs. Bennett has graded 20% of her 150 students’ papers. How many papers does she still need to finish grading?

• 30

• 750

• 45

• 120

To rewrite a percent as a fraction:  Rewrite the percent using ________ of 100.

• numerator

• denominator

• fraction

• 1

• 25.59 cm

• 67.54 cm

• 165.10 cm

• 525.00 cm

black socks to all of the socks

• 6:5

• 6:23

• 23 to 6

• 1 to 4

Janice bought 4 oranges for $3.40. What is the unit price?

• $0.50

• $0.85

• $0.40

• $3.40

12 is 30% of _____

• 40

• 12

• 30

• 100

45% of 20 is _______

• 20

• 12

• 50%

• 9

Gabriel saves 40% of his monthly paycheck for college. He earned $270 last month. How much money did Gabriel save for college? [Hint: Percent Model]

• $108

• $50

• $270

The "is" in the percent model represents what?

• part

• whole

• percent

A ________is a ratio that compares a number to 100. The symbol % is used to show a ________.

• ratio

• percent

• proportion