2. Welcome! The Topic For Today Is…CBA 3 Review

3. CBA 3 Review 1: Proportions2: Ratios 3: Adding and Subtracting Decimals 4: Conversions 200 400 600 800 1000

4. Topic 1: 200 Question: Sandra conducted a survey of the students in her class. 2 out of every 3 students prefer digital clocks to analogue. If there are 300 students in 6 th grade, then how many students would prefer digital clocks? Answer 200 students

5. Topic 1: 400 Question: The ratio of boys to girls in Ms. Cook’s 3 rd period is 7:6. If there are 14 boys in the class, then how many girls are there? Answer 12 girls

6. Topic 1: 600 Question: It takes 128 minutes to wash 40 vehicles at a car wash. At this rate, how many minutes does it take to wash 5 vehicles? Answer 16 minutes

7. Topic 1: 800 Question: A car traveled 324 miles in 8 hours. At this rate, how far could the car travel in 12 hours? Answer 486 miles

8. Topic 1: 1000 Question: The workers at the Ford factory in Detroit can produce one Focus every 20 minutes. How many cars can they produce in an 8 hour shift? Answer 24 cars

9. Topic 2: 200 Question: What is the ratio of days to weeks in a year? Answer 365:52

10. Topic 2: 400 Question: Lucille decided to count the number of peanuts and cashews that came in her can of mixed nuts. She determined that there were 120 peanuts and 40 cashews. What is the ratio of cashews to peanuts in her jar? (Answer must be reduced) Answer 1 to 3

11. Topic 2: 600 Question: 39 out of 169 students taking band say that they practice 4 nights a week. What ratio represents the number of students in band to the number that practice 4 nights a week? (Answer must be reduced.) Answer 13:3

12. Topic 2: 800 Question: 2 out of every 14 dogs live beyond the age of 12. What is the ratio of dogs that do not live to the age of 12 to total dogs? Answer 6:7

13. Topic 2: 1000 Question: 6 out of every 8 students passed the last CBA. What ratio represents the number of students that passed the CBA to the number of students that failed? (Answer must be reduced.) Answer 3:1

14. Topic 3: 200 Question: 7 -.34 Answer 6.66

15. Topic 3: 400 Question: Max’s dad gave him 20 dollars for his allowance. After he bought a soda, he had 18.89 left. What was the cost of the soda? Answer $1.11

16. Topic 3: 600 Question: Erunique bought 2 cds for $11.99 each and once dvd for 12.99. What was the total of her purchase not including tax? Answer $36.97

17. Topic 3: 800 Question: Samantha walked 1.8 miles each day Monday through Friday. On Saturday, she walked 2.3 miles. Approximately how many miles did Samantha walk in this 1 week period? Answer 12 miles ±.5 miles

18. Topic 3: 1000 Question: Students in a fitness class were running 40 yard dashes as part of the fitness test. The slowest time in the class was 3.84 seconds slower than the fastest time of 7.2 seconds. How long did the slowest person take? Answer 11.04 seconds

19. Topic 4: 200 Question: What fraction represents 75%? Answer ¾

20. Topic 4: 400 Question: What decimal represents 3/8? Answer.375

21. Topic 4: 600 Question: Jose answered 14 out of his 20 test questions correctly. What percent represents the score on his test? Answer 70%

22. Topic 4: 800 Question: What percent of the model below is NOT shaded: Answer 40%

23. Topic 4: 1000 Question: There are 5 6 th graders, 8 8 th graders, and 12 7 th graders in the Timberwood sign club. What percent of the students in the sign club are 7 th graders? Answer 48%

24. Write Down How Much Money You Are Willing To Risk If You get the Question write you win that money If you get it wrong you Loss the money!

25. Write Down How Much Money You Are Willing To Risk If You get the Question write you win that money If you get it wrong you Loss the money!