Ratios
Unit Rate
Complex Fractions
100

How do you write 5 to 3 as a ratio?

5:3

100

A car travels 60 miles in 1 hour. What is the unit rate in miles per hour?

Answer: 60 miles per hour.


100

1/3 to 4/5

5/12

200

If a recipe requires 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

2:3

200

DOUBLE!!!

  • If a recipe calls for 4 cups of flour to make 8 cookies, how many cups of flour are needed for 1 cookie?
  • Answer: 0.5 cups per cookie.
200

4/6 to 6/4

4/9

300

DOUBLE!!!

A classroom has 15 boys and 10 girls. What is the ratio of boys to the total number of students?

15:25 or 3:5 (simplified)

300
  • A person can type 120 words in 3 minutes. What is the unit rate in words per minute?
  • Answer: 40 words per minute.
300

5/12 to 8/2

5/48

400

A map shows a ratio of 1 inch to 4 miles. If two cities are 7 inches apart on the map, how many miles apart are they in reality?

28 miles

(7 x 4)

400
  •  A pack of 24 pencils costs $6. What is the unit rate in dollars per pencil?
  • Answer: $0.25 per pencil.
400

14/5 to 3/6

28/5 or 5 3/5

500

A map shows a ratio of 2 inch to 25 miles. If two cities are 10 inches apart on the map, how many miles apart are they in reality?

125 miles

500
  • If 5 gallons of paint cover 200 square feet, how many square feet can 1 gallon of paint cover?
  • Answer: 40 square feet per gallon.
500

DOUBLE!!!

20/46 to 30/54

18/23

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