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Tryout AMO (American Math Olympiad) 2026 Grade 4 (15 Soal, 30 Menit)

15 questions (15 multiple choice + 0 open-ended (added soon)) testing quantitative reasoning, number operations, sequence logic, and problem solving. Good luck! Tell us your score and share your certificate on Instagram @equalyra

15 soal · Alokasi Waktu: 30 menit · Pilihan ganda & isian

Sisa waktu: 30:00

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Nama lengkap

Soal

Soal 1. Eight children can paint 8 balls in 8 minutes. If all the children work at the same rate, how many children are needed to paint 16 balls in 16 minutes?

A 4 B 6 C 8 D 10 E 12

Soal 2. Determine the value of the expression: (25 × 48 + 32 × 25 + 25 × 20).

A 1250 B 25000 C 2500 D 2525 E 2505

Soal 3. From 1 to 100, how many natural numbers are not divisible by either 5 or 7?

A 68 B 66 C 76 D 78 E 80

Soal 4. The following 3×3 grid contains the numbers from 1 to 9, with each number used exactly once. The numbers in every horizontal and vertical row add up to 15. What is the value of *?

A 4 B 5 C 6 D 7 E 8

Soal 5. Find the sum of A + B + C if different letters stand for different digits. A8 × 8 = BCC

A 15 B 12 C 10 D 8 E 7

Soal 6. What is the greatest three-digit number that is divisible by 24?

A 999 B 996 C 992 D 984 E 968

Soal 7. The picture below shows a 4×4 square. How many squares of any size contain the square marked with X?

A 1 B 4 C 5 D 10 E 16

Soal 8. From the subtraction puzzle: A5B − C9 = 299. Calculate the value of A5B + C9.

A 400 B 417 C 444 D 527 E 544

Soal 9. Sarah and Rose each have some pencils. Two-fifths of Sarah’s pencils and eight-ninths of Rose’s pencils are both equal to 40. Who has more pencils, and how many more pencils does she have?

A Sarah, 40 B Rose, 40 C Sarah, 50 D Rose, 50 E Sarah, 55

Soal 10. A bag contains 5 green, 9 orange, 6 red, and 4 blue candies. What is the minimum number of candies Sam must pick without looking to guarantee that he gets a red candy?

A 19 B 4 C 10 D 3 E 15

Soal 11. A large cube is formed by arranging 4×4×4 smaller cubes. All six outer faces of the large cube are painted. How many of the smaller cubes have no more than 2 painted faces?

A 8 B 16 C 24 D 48 E 56

Soal 12. The combined age of Mentik and Gede will be 37 in five years. Three years ago, Mentik was twice as old as Gede. How old is Mentik now?

A 7 B 10 C 14 D 17 E 20

Soal 13. Two regular 6-sided dice were thrown on the ground. All the numbers visible on the dice were added. The sum of numbers on all the visible faces was 31. What is the difference between the numbers facing the ground?

A 0 B 1 C 2 D 3 E 4

Soal 14. Abam and Ichi each chose a two-digit number. The product of the digits in Abam’s number is 24, while the product of the digits in Ichi’s number is 35. The difference between their two numbers is 37. What is the sum of their numbers?

A 95 B 100 C 113 D 121 E 139

Soal 15. Simon read a book containing 1,000 pages. How many digits were used in total to number all the pages from 1 to 1,000?

A 3000 B 2550 C 2987 D 3193 E 2893