2014 AMC 8 Problems - ThothTech
2014 AMC 8 ProblemsProblem 1Harry and Terry are each told to calculate. Harry gets the correct answer. Terry ignores theparentheses and calculates. If Harry's answer isand Terry's answer is , what is?SolutionProblem 2Paul owes Paula 35 cents and has a pocket full of 5-cent coins, 10-cent coins, and 25-cent coins that hecan use to pay her. What is the difference between the largest and the smallest number of coins he canuse to pay her?SolutionProblem 3Isabella had a week to read a book for a school assignment. She read an average of 36 pages per day forthe first three days and an average of 44 pages per day for the next three days. She then finished thebook by reading 10 pages on the last day. How many pages were in the book?SolutionProblem 4The sum of two prime numbers is 85. What is the product of these two prime numbers?SolutionProblem 5Margie's car can go 32 miles on a gallon of gas, and gas currently costs 4 per gallon. How many milescan Margie drive on 20 worth of gas?SolutionProblem 6Six rectangles each with a common base width of 2 have lengths of 1, 4, 9, 16, 25, and 36. What is thesum of the areas of the six rectangles?Solution
Problem 7There are four more girls than boys in Ms. Raub's class of 28 students. What is the ratio of number of girlsto the number of boys in her class?SolutionProblem 8Eleven members of the Middle School Math Club each paid the same amount for a guest speaker to talkabout problem solving at their math club meeting. They paid their guest speaker. What is themissing digit A of this 3-digit number?SolutionProblem 9In,is a point on sidedegree measure of?such thatandmeasures. What is theSolutionProblem 10The first AMC 8 was given in 1985 and it has been given annually since that time. Samantha turned 12years old the year that she took the seventh AMC 8. In what year was Samantha born?SolutionProblem 11Jack wants to bike from his house to Jill's house, which is located three blocks east and two blocks northof Jack's house. After biking each block, Jack can continue either east or north, but he needs to avoid adangerous intersection one block east and one block north of his house. In how many ways can he reachJill's house by biking a total of five blocks?Solution
Problem 12A magazine printed photos of three celebrities along with three photos of the celebrities as babies. Thebaby pictures did not identify the celebrities. Readers were asked to match each celebrity with the correctbaby pictures. What is the probability that a reader guessing at random will match all three correctly?SolutionProblem 13Ifandandoddare integers andis even, which of the following is impossible?are evenandare oddnone of these are impossibleis evenisSolutionProblem 14Rectangle ABCD and right triangle DCE have the same area. They are joined to form a trapezoid, asshown. What is DE?Solution
Problem 15The circumference of the circle with center is divided into 12 equal arcs, marked theletters through as seen below. What is the number of degrees in the sum of the anglesand ?SolutionProblem 16The "Middle School Eight" basketball conference has 8 teams. Every season, each team plays everyother conference team twice (home and away), and each team also plays 4 games against nonconference opponents. What is the total number of games in a season involving the "Middle School Eight"teams?SolutionProblem 17George walks mile to school. He leaves home at the same time each day, walks at a steady speedof miles per hour, and arrives just as school begins. Today he was distracted by the pleasant weatherand walked the firstrun the lastSolutionmile at a speed of onlymiles per hour. At how many miles per hour must Georgemile in order to arrive just as school begins today?
Problem 18Four children were born at City Hospital yesterday. Assume each child is equally likely to be a boy or agirl. Which of the following outcomes is most likely?all 4 are boysthe other genderall 4 are girls2 are girls and 2 are boysall of these outcomes are equally likely3 are of one gender and 1 is ofSolutionProblem 19A cube with 3-inch edges is to be constructed from 27 smaller cubes with 1-inch edges. Twenty-one of thecubes are colored red and 6 are colored white. If the 3-inch cube is constructed to have the smallestpossible white surface area showing, what fraction of the surface area is white?SolutionProblem 20Rectangle ABCD has sides CD 3 and DA 5. A circle of radius 1 is centered at A, a circle of radius 2 iscentered at B, and a circle of radius 3 is centered at C. Which of the following is closest to the area of theregion inside the rectangle but outside all three circles?SolutionProblem 21The 7-digit numbersthe value of ?Solutionandare each multiples of 3. Which of the following could be
Problem 22A 2-digit number is such that the product of the digits plus the sum of the digits is equal to the number.What is the units digit of the number?SolutionProblem 23Three members of the Euclid Middle School girls' softball team had the following conversation.Ashley: I just realized that our uniform numbers are all 2-digit primes.Bethany: And the sum of your two uniform numbers is the date of my birthday earlier this month.Caitlin: That's funny. The sum of your two uniform numbers is the date of my birthday later this month.Ashley: And the sum of your two uniform numbers is today's date.What number does Caitlin wear?SolutionProblem 24One day the Beverage Barn sold 252 cans of soda to 100 customers, and every customer bought at leastone can of soda. What is the maximum possible median number of cans of soda bought per customer onthat day?SolutionProblem 25A straight one-mile stretch of highway, 40 feet wide, is closed. Robert rides his bike on a path composedof semicircles as shown. If he rides at 5 miles per hour, how many hours will it take to cover the one-milestretch?Note: 1 mile 5280 feetSolution
2014 AMC 8 Answer Key1. A2. E3. B4. E5. C6. D7. B8. D9. D10. A11. A12. B13. D14. B15. C16. B17. B18. D19. A20. B21. A22. E23. A24. C25. B
2014 AMC 8 Problems Problem 1 Harry and Terry are each told to calculate . Harry gets the correct answer. Terry ignores the parentheses and calculates . If Harry's answer is and Terry's answer is , what is ? Solution Problem 2 Paul owes Paula 35 cents and has a pocket full of 5-cent coins, 10-cent coins, and 25-cent coins that he can use to pay her. What is the difference between the largest .
2 AMC 1961 Rambler American Technical Service Manual 2 AMC 1961 Rambler Classic 6-V8, Ambassador V-8 3 AMC 1962 Rambler American Technical Service Manual 3 AMC 1962 Rambler Classic 6, Ambassador V-8 4 AMC 1962 Rambler Technical Service Manual 4 AMC 1963 Rambler American Technical Service Manual 4 AMC 1964 Rambler Classic Ambassador
MSC8156 AMC Base Card Detailed Design Specification, Rev.0 Freescale Semiconductor 3 AMC Base Card Overview The AMC base card is designed to comply with the PICMG AMC.0 R2.0 specifications with AMC
2013 AMC 8 Problems Problem 1 Amma wants to arrange her model cars in rows with exactly 6 cars in each row. She now has 23 model cars. What is the smallest number of additional cars she must buy in order to be able to arrange all her cars this way? Solution Problem 2 A sign at the fish market says, "50% off, today only: half-pound packages for just 3 per package." What is the regular price .
Over 1 million additional STEM graduates will be needed by 2022 to meet the growing demands of the labor market. The AMC 10 and AMC 12 can help your students identify an interest in and prepare them for future STEM careers. The AMC 10 and AMC 12 are the first in a series o
AMC 10 & AMC 12 TEACHER’S MANUAL A guide for administering a successful and rewarding AMC 10 and AMC 12 Competition COMPETITION DATES: WEDNESDAY, FEBRUARY 7, 2018 AND/OR THURSDAY, FEBRUARY 15, 2018. .
AMC 20-8 Amended (NPA 2016-19) AMC 20-19 Created (NPA 2017-09) AMC 20-152A Created (NPA 2018-09) AMC 20-189 Created (NPA 2018-09) SUBPART B — LIST OF AMC-20 ITEMS Created ED Decision 2020/006/R Amendment 18 The foll
The AMC 10 and AMC 12 are 25-question, 75-minute contests with 5 choices of answers for each problem (A through E). Schools with high scoring students on the AMC 8 will receive an Invitation Brochure for the 2006 AMC 10. The best way to prepare for these upper level contests is to stu
Jeffery was a good introduction to scoping. In appropriate order different bureaucratic levels were tackled, always sensitive to the pressures in each place. The many discussions with Roger proved useful during the field work later. For example, we confronted the problem of finding very large sample sites which were suitable on other parameters. So we discussed how this should be tackled .
