Ratios
Unit Rates
Percents
Equivalent Ratios and Rates
Percents of a Whole
100

Write the ratio three to seven three different ways.

3/7, 3:7, 3 to 7

100
Find the unit rate for 200 words in 4 min.
50 words/1 min.
100
2/5 = ___ %
40%
100

John has a ratio of 3 fish to 2 plants in his aquarium. He has 33 fish. How many plants does he have?

22 plants

100

10% of 50

5

200
Give three equivalent ratios for 2:3.
4:6, 6:9, 8:12, etc....
200
Find the unit rate for 240 people per 2 sq.mi.
120 people/1 sq. mi.
200
9/40 = __ %
22.5%
200

Ten tangerines cost $1.60. How much do 5 tangerines cost?

$0.80

200

36 is what percent of 90?

40 percent

300
Find the missing term 3 to 2 = __ to 8
12
300

Tony spends $19.57 on gasoline after driving 103 miles.  How much does he spend on gasoline per mile?  

$0.19

300
15/18 = __ %
83 1/3%
300

Regina paid $26.32 for 12 candy bars.  At this rate, how much would it cost Regina to buy 9 candy bars?

$19.74

300

120 is 30% of what?

400

400
Find the missing term: 3:9 = 4:__
12
400

Amera travels 434 miles to her aunt's house.  If the trip takes 7 hours by train and it travels at a constant speed, how fast is the train going per hour?

62 miles per hour

400
24/64 = ___ %
37.5%
400

If you pay $42,000 for 5 acres of land, how much would you pay for 2.5 acres at the same price per acre?

$24,000

400

An Olympic team won 20 medals. If 30% of the medals were gold, how many gold medals did they win?

6 gold medals 

500

Of the ten members on a team, 2 are girls. What is the ratio of girls to boys?

2:8 or 1:4

500

Pops Cereal is sold in two boxes. 20 oz. sells for $3.28 and 14 oz. sells for $2.50. Which is the better buy?

$3.28 for 20 oz.

500

On the school basketball team, Jeremiah had 26 successful free throws out of a total of 40 attempted free throws. Jacob had 32 successful free throws out of a total of 45 attempted free throws.  Who has the better free throw percentage and by how much?

Jacob has the better free throw percentage by 6%.

500

A plane travels 200 miles in 30 min. At this rate, how long, in hours and minutes, would it take for the plane to travel 900 miles?

2 hr 15 min.

500

A coconut tree has 12 coconuts on it. If 3 of the coconuts fell to the ground, what percent of the coconuts fell off?

25%