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It includes questions about digit patterns, sums and squares, dice products divisible by a given factor, shortest and longest path ordering, tiling optimization, iterative money changes, marble color totals, exponential trend estimation, coordinate-geometry area constraints, and combinatorics involving stair hops. 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Reproduced with permission.  \n1. What is the ones digit of  \n222, 222 − 22, 222 − 2 , 222 − 222 − 22 − 2?  \n 0  2  \n 4  6  \n 8  \n2. What is the value of this expression in decimal form?  \n4411 + 11044 + 144100  \n 6.4  \n 6.504  6.54  6.9  \n 6.94  \n3. Four squares of side length 4, 7 , 9 , and 10 units are arranged in increasing size order so that their left edges and bottom edges align. The squares alternate shaded and unshaded, as shown in the figure. What is the area of the visible shaded region in square units?  \n42  45  \n 49  50  \n 52  \n4. When Yunji added all the integers from 1 to 9, she mistakenly left out a number. Her incorrect sum turned out to be a square number. Which number did Yunji leave out?  5  \n 6  7  \n 8  9  \n5. Aaliyah rolls two standard 6-sided dice. She notices that the product of the two numbers rolled is a multiple of 6 . Which of the following integers cannot bethe sum of  \nthe two numbers?  5  6  7  8  9  \n6. Sergei skated around an ice rink, gliding along different paths. The marked lines in the figures below show four of the paths labeled P, Q, R, and S. What is the sorted order of the four paths from shortest to longest?  \nA P, Q, R, SB P, R, S, QC Q, S, P, RD R, P, S, QE R, S, P, Q  \n7. A 3 × 7 rectangle is covered without overlap by 3 shapes of tiles: 2 × 2 , 1 × 4 , and  \n1 × 1 , shown below. What is the minimum possible number of 1 × 1 tiles used?  \n|  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |\n\n 1  \n 2  \n 3  \n 4  \n 5  \n8. On Monday Taye has $2 . Everyday, he either gains $3 or doubles the amount of money he had on the previous day. How many different dollar amounts could Taye have on  \nThursday, 3 days later?  3  \n 4  \n 5  \n 6  \n 7  \n9. All of the marbles in Maria’s collection are red, green, or blue. Maria has half as many red marbles as green marbles and twice as many blue marbles as green marbles. Which of the following could bethe total number of marbles in Maria’s collection?  24  \n 25  26  \n 27  28  \n10. In January 1980 the Mauna Loa Observatory recorded carbon dioxide CO2levels of  \n338 ppm (parts per million) . Over the years the average CO2reading has increased by about 1.515 ppm each year. What is the expected CO2level in ppm in January 2030? Round your answer to the nearest integer.  \n 399  414  \n 420  444  \n 459  \n11. The coordinates of △ABC areA(5, 7), B (11, 7), and C(3, y), with y > 7. The area of △ABC is 12 . What is the value of y?  \n8  9  10  11  12  \n12. Rohan keeps a total of 90 guppies in 4 fish tanks.  \n• There is 1 more guppy in the 2nd tank than in the 1st tank.  \n• There are 2 more guppies in the 3rd tank than in the 2nd tank.  \n• There are 3 more guppies in the 4th tank than in the 3rd tank.  \nHow many guppies are in the 4th tank?  20  \n 21  23  \n 24  26  \n13. Buzz Bunny is hopping up and down a set of stairs, one step at a time. In how many ways can Buzz start on the ground, make a sequence of 6 hops, and end up back on the ground? (For example, one sequence of hops is up-up-down-down-up-down.)  \n 4  5  6  8  12  \n14. The one-way routes connecting towns A, M, C, X , Y , and Z are shown in the figure below (not drawn to scale) . The distances in kilometers along each route are marked. Traveling along these routes, what is the shortest distance from Ato Z in kilometers?  \nA 28  \nB 29  \nC 30  \nD 31  \nE 32  \n15. Let the letters F , L, Y , B , U, G represent distinct digits. Suppose FLYFLY is the greatest number that satisfies the equation  \n8 ⋅ FLYFLY = BUGBUG.  \nWhat is the value of FLY + BUG?  1089  \n 1098  1107  \n 1116  1125  \n16. Minh enters the numbers 1 through 81 into the cells of a 9 × 9 grid in some order. She calculates the product of the numbers in each row and column. Wha","cbCaitznUA3Uc94S","https://ap.wps.com/l/cbCaitznUA3Uc94S","pdf",308630,"English","# Problems\n## Number Theory and Expressions\n## Geometry and Tiling\n## Sequences and Probability\n## Algebra, Coordinates, and Modeling","[{\"question\":\"What is the time limit for the 2024 AMC 8?\",\"answer\":\"The time limit is 40 minutes.\"},{\"question\":\"What kinds of math topics are covered in this exam?\",\"answer\":\"The problems cover number theory (digits, divisibility), geometry (areas, paths), combinatorics, probability with dice, algebraic modeling, and iterative sequences.\"},{\"question\":\"How are answers presented in the AMC 8 questions?\",\"answer\":\"Most questions are multiple-choice, requiring selecting the correct option or providing an exact numeric value for the question.\"}]","2024 AMC 8 - Exam Practice | PDF",1790670278,48]