Ratios
Rates
Percents
Unit Conversions
Potpourri
100

The ratio of boys to girls is 4:5. What is the ratio of girls to boys?

5:4

100

What is the farmer’s unit rate if he can plant 1,200 seeds every 80 minutes?

15 seeds per minute

100

A classroom has 32 students. 75% of them did not do their homework last night. How many students did their homework?

8 students did their homework.

100

1,550 centimeters = ___ meters

15.5

100

What is Mr. Lam's favorite coffee place?

A.  Starbucks

B.  Coffee Bean

C.  Peet's

D.  7-11

Starbucks

200

The ratio of apples to oranges is 5:3. If there are 40 pieces of fruit, how many of each type of fruit are there?

25 apples and 15 oranges

200

A store has a sale with 4 t-shirts for $14. At this rate, what would be the price of 7 t-shirts?

$24.50

200

There are 67,500 people at a football game. 20% of them are cheering for the Tigers. The rest of the fans are cheering for the Dragons. How many people are cheering for the Dragons?

54,000 people are cheering for the Dragons

200

32 quarts = ___ gallons

8

200

How old is Mr. Lam?

A. 36

B. 39

C. 41

D. 43

39

300

Complete the ratio table

Oranges:   ?   950   ?   
Trees:246

475 and 1,425

300

Your computer can download 5 songs every 24 minutes. At that rate, how many songs can you download in 1 hour?

12.5 songs

300

A basketball player made 60% of the shots she took in practice. If she missed 56 shots, how many did she make?

She made 84 shots.

300

1,044 inches = ___ yards

29

300

Name a mixed number that lies between -2⅗ and -2⅘ on a number line.

SAMPLE ANSWER: -2 7/10

400

On Monday, Tiana did her push-ups and sit-ups in a 5 to 7 ratio. On Tuesday, she did 5 sit-ups for every 3 push-ups. The sum of her push-ups and sit-ups for these two days was the same. If Tiana did 54 push-ups on Tuesday, how many sit-ups did she do on Monday?

She did 84 sit-ups on Monday.

400

Choco Poofs cereal costs $3.50 for a 14 ounce box. Happy O’s cereal costs $4.32 for an 18 ounce box. Which cereal is a better value, and what is its unit price?

Happy O's priced at $0.24 per ounce

400

There are 150 cookies on a tray at a party. 40% of them are chocolate chip cookies. 25% of the chocolate chip cookies also have walnuts. How many chocolate chip cookies are there with no walnuts?

45 chocolate chip cookies have no walnuts.

400

Runner A can run 4 miles in 30 minutes. Runner B can run 3,500 yards in 15 minutes. Which runner runs at a faster rate, and what is her rate in feet per minute?

Runner A at 704 feet per minute

400

[DAILY DOUBLE!] Mrs. James uses 3 ¾ cups of sugar to make a batch of cookies. If there are 90 cookies in the batch, how many fluid ounces of sugar is in each cookie?

1/3 fluid ounce

500

Jason and Tracy make a bet with each other. After losing the bet, Jason had to give a third of his money to Tracy. The amount of money, in dollars, Jason and Tracy had was in a 9 to 5 ratio before the bet. After the bet, Tracy ended up with $16 more than Jason. How much money did Jason have before he lost the bet?

Jason had $72 before the bet.

500

Mr. Sparkle laundry detergent costs $5.40 for an 80 ounce bottle. If Nature’s Choice laundry detergent is cheaper, what would be the maximum price of a 100 ounce bottle?

$6.74

500

25% of the students in Mr. Jones’ class ride the bus to school. 20% of the students in Mrs. Chang’s class ride the bus to school. A greater number of students in Mrs. Chang’s class ride the bus to school. If there are 24 students in Mr. Jones’ class, what is the minimum number of students in Mrs. Chang’s class?

35 students minimum

500

[DAILY DOUBLE!] A bird flew 2.5 miles in 15 minutes. How many feet per second does the bird fly? (round to the nearest tenth if needed)

The bird flies about 14.7 feet per second.

500

[FINAL] Mt. Holiday is 4,400 meters tall. Mt. Vincent is 145% as tall as Mt. Holiday. The ratio of the heights for Mt. Holiday to Mt. Kilimanjaro is 8:11. How much taller is Mt. Vincent than Mt. Kilimanjaro?

Mt. Vincent = 6,380 meters

Mt. Kilimanjaro = 6,050 meters

6380 - 6050 = 330 meters taller

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