Ratios Rates Proportions Percents

Which ratio is different from the others?

• 2 to 13

• 13 : 2

• 2 :13

• 2/13

What does the ratio 8 : 23 compare?

• cats to turtles

• dogs to all animals

• dogs to cats

• turtles to all animals

Which of the following describes a unit rate?

• 13 pounds per 12 inches

• 15 fish per 12 gallons

• 24 hours per day

• 55 miles in 3 hours

Solve for A in the table.

• 40

• 10

• 9

• 45

What is 50% of 15?

• 30
  

• 7.5

• 7

• 8.5

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

In a room, there are 8 boys to 12 girls.  What is the ratio of girls to boys?

• 8 : 20

• 12 to 20

• 3 to 2

• 4/6

• 25.59 cm

• 67.54 cm

• 165.10 cm

• 525.00 cm

Find the missing value in the proportion.

12/9 = n/3