6th Math Unit 2 Post Test Ratios and Proportions Name _____________________________________ Date ________________ 1. Which ratio could be used to compare the number of V’s to the number of X’s in the pattern. VVVVV VVVVV VVVVV VVV XXXXX XXXXX XXXXX XXXXX XX A. 11:9 B. 9:11 C. 9:20 D. 11:20 2. The ratio of the number of boys to the number of girls at school is 4:5. If there are 120 boys, how many girls are there? A. 130 B. 105 C. 150 D. 270 3. Carrie purchased 16 lemons for $4.00. What was the unit rate? A. $0.25 per lemon B. $0.35 per lemon C. $0.40 per lemon D. $0.64 per lemon 4. Which of these sets of ratios is equivalent to 3:7? A. 3:14, 6:21, 4:28 B. 6:14, 9:12, 12:28 C. 6:14, 9:21, 21:12 D. 6:14, 9:21, 12:28 The Kidders ran 15 miles in 3 hours, and they are continuing to run at the same rate. Select True or False. (Questions 5­8) 5. They will run 75 miles in 8 hours
True or False? 6. They will run 500 miles in 100 hours
True or False? 7. They will run 20 miles in 100 hours
True or False? 8. They will run 150 miles in 10 hours
True or False? 9. A kitchen makes 2,560 ounces of soup each week. There are 8 fluid ounces in 1 cup. How many cups of soup does the kitchen make in 1 week? A. 3.20 B. 32 C. 2,552 D. 320 10. What is the missing value in the following proportion? A. 3 B. 6 C. 96 D. 106 11. What is 77.2% written as a decimal? A. 0.0772 B. 0.772 C. 7.72 D. 77.2 12. Approximately 2% of children are home­schooled. What is 2% as a fraction in simplest form? A. 1/50 B. 1/20 C. 2/100 D. 1/2 13. Write 12/40 as a percent. A. 24% B. 30% C. 42% D. 66% 14. Carl preordered PS5 for $500. He had to put a down payment of 25%. How much money is the down payment? A. $475 B. $25 C. $125 D. $375 15. 122 is what percent of 200? A. 165% B. 75% C. 61% D. 24% 16. If Nicholas saves 15% on a $435.75 camcorder and 10% on a $94.95 microwave, how much were his total savings to the nearest penny? A. $65.36 B. $66.34 C. $74.86 D. $79.61 17. Jeff has 13 Hot Wheels cars, Joseph owns 24 Matchbox cars, and Susan owns 39 Spitfire cars. What is the simplest form ratio of Matchbox cars to the total number of all cars? A. 24:76 B. 6:19 C. 12:38 D. 24:52 18. Britney does sit­ups every day. The table shows how long it takes her to do different numbers of sit­ups. Number of Sit­Ups 10 30 50 220 Time (min) 2 6 10 40 44 How many sit­ups do you predict Britney will do, in 40 minutes? A. 70 B. 135 C. 200 D. 90 Short Answer /Extended Response (show your work) 19. The flagpole in front of our school casts a shadow 25 feet. Mrs. Jonas is 6 feet tall, stands beside the flag pole. His shadow is 4 feet. How tall is the flag pole? Show your work. (2 points) (2 pts) 20. During the basketball season, Cory made 30 out of the 40 free throws she attempted. Krista made 16 of the 50 free throws she attempted. Paula made 14 of the 20 free throw shots she attempted. Write the names of the players in order from the lowest percentage of free throws made to the highest percentage of free throws made. (4 pts) →
Lowest
Highest NAME NAME NAME 21. A bookstore is having a sale on school supplies . You can get 4 notebooks for $7 and 10 folders for $2.50. How much will it cost Maya to buy 5 notebooks and 6 folders? (4 pts) 22. Yvonne purchased 7 melons for $9.03. Teresa purchased 12 oranges for $15.00. Who had the better unit rate? (show your work) (3 pts) 23. At the Sport Zone, a skateboard costs regularly $60.00. It is on sale for 25% off. At Sport City, the same skateboard is $70.00 It is now on sale for 30%. Which store offers the better deal? How much do you save when comparing the two deals? (4 pts) 24. The figures in each pair are similar. Find the unknown side. Set up a proportion and solve for x. (2 pts) Short Answer /Extended Response (show your work) 19. (2 points) 20. (4 points) 21. (4 points) 22. (3 points) 23. (4 points) 24. (2 points)