- 1. A scientist counted birds in a cornfield. He counted nine crows, seven jays, and eight hawks. What was the ratio of hawks to crows? Use a : b form
- 2. You planted 25 carrot seeds from two companies for an experiment. Reviewing your research, you learn that 36 percent of the carrot seeds from company A germinated (began to grow) within ten days, while 52 percent of the seeds from company B germinated within ten days. What was the germination ratio of company A to company B?
- 3. There are five hundred students at Rockland Middle School. If 43% of the students are female, what is the ratio of female students to male students? (use a:b form)
- 4. You have the set of numbers {-6, -7, -2, -3, 9, 5, -2, 10, 3, 7}. What is the ratio of positive numbers to negative numbers? (use a:b form)
- 5. Melissa divided her pie into eighths. Nikkole divided he pie into fourths. Melissa's family ate six eighths of her pie. How many fourths of Nikkole's pie would have to be eaten to result in an equivalent amount of pie being eaten?
- 6. There are 6 red marbles, 7 green marbles and 4 blue marbles in a bag. What is the ratio of blue marbles to total marbles? (use a : b form)
- 7. What is the ratio of even numbers to odd numbers in the following set of numbers? {4, 1, 6, 9, 2, 3, 7, 1, 2, 5, 3, 8}
(use a : b form)
- 8. What is the ratio of vowels to consonants in the word "Minnesota"? (Use a : b form)
- 9. What is the ratio of numbers less than 4 to the total in the following set of numbers? {4, 1, 6, 9, 2, 3, 7, 1, 2, 5, 3, 8}
Use a : b form)
- 10. You empty your piggy bank and have 6 quarters, 11 dimes, 18 nickels and 21 pennies. What is the ratio of pennies to quarters and nickels?
(use a : b form)
- 11. Which is the better buy, A) 15 ounces for $3.75 or B) 22 ounces for $5.75? Write A or B as your answer
- 12. Which is the better buy, A) 24 pens for $4.30 or B) 30 pens for $5.25
- 13. Solve the proportion
6 in = ________ yd
model: 49 in
actual: 98 yd
- 14. Solve the proportion
4 cm = 10 m
model: ________ cm
actual: 95 m
- 15. There are fifty-seven mice in the barn. If the ratio of brown mice to gray mice is 1:2 how many gray mice are there?
- 16. The local election is over and a new mayor has been elected to lead Big Town. The new mayor received three votes for every vote received by her opponent. The new mayor received 3,684 votes. How many votes did her opponent receive?
- 17. Maria bought a new purse at Macy's that was originally $150 for 35% off. How much did Maria pay for the purse?
- 18. Victoria needs a new dryer and Lowe's has them on sale for 30% off. Victoria picks out a dryer that costs $755. How much will Victoria save?
- 19. Felicia takes three of her friends out for dinner. The total bill was $54.80. Felicia wants to leave an 18% tip. How much will Felicia pay with the tip?
- 20. Kohl's is having a shoe sale. Every pair is 30% off. Michael wants to buy a pair of shoes that cost $120. He has a coupon for an additional 10% off. How much will Michael pay for the shoes?
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