Unit 2 REVIEWS Name:_____________________________ HR:______________ 1. The gardener planted 537 tulips, 126 petunias, and 321 geraniums. Which of the following is the best estimate of the total number of flowers planted? A 670 flowers B 990 flowers C 800 flowers D 1,050 flowers 2. Jessica baked 12 dozen cupcakes at a bake sale to raise money for a trip to the zoo. For each dozen cupcakes, she spent $2.29 for frosting, $4.89 for cake mix, $1.06 for sprinkles, and $0.99 for paper cupcake liners. Jessica sold 10 dozen cupcakes at the bake sale. If she sold one dozen cupcakes for $12.00, how much profit did Jessica make on each dozen cupcakes? 3. A wildlife refuge has 118 wood ducks, 116 mallard ducks, 115 spoonbill ducks, and 113 cinnamon teal ducks. To the nearest ten, about how many ducks did the wildlife refuge have? The table displays the number of people that voted during a past election. 4 Number of People that Voted State Alaska Arizona Arkansas California Number of People 258,746 1,750,840 779,957 10,302,324 Which of the following numbers represents the number of people that voted in Arkansas rounded to the nearest hundred thousand? 5. Use the standard algorithm to find the sum of the following: 87.9 6 + 197.05 + 354 + 10.25 Alex scored 1,337.13 points on a video game. Brittany scored 448.75 fewer points than Alex. How many points did Brittany score? The following table shows the distances between El Paso, Texas and some Texas cities. 7 Distances Between Cities City Austin Dallas Houston Waco San Antonio McAllen Miles from El Paso 602 635 748 676 551 791 If rounded to the nearest hundred, which cities have distances more than 600 miles from El Paso? 8. Mrs. Smith is saving money to buy a car. At first she kept the money she saved at home, but then her husband persuaded her to deposit the money into an account at the bank. Which of the following is the best reason for Mrs. Smith to deposit the money into an account at the bank? A The money is safer in the bank than at home. B She can withdraw her money at any time. C The bank is near her house. D She will receive a checkbook in her favorite color. Answer Keys 1. B 2. $ 2.77 3. 470 ducks 4. 800,000 5. 649.20 6. 888.38 7. Hutson, Waco and McAllen 8. A