Math Olympiad Sample Worksheet

1. Aadya throws a dice 3 times and got digits (9, 6, 5). Using these digits, form the lowest possible 3 digit number.
2. Suma, Ria, Ana and Kirti spent $32, $35, $32 and $95 respectively in a shopping mall. The largest amount spent by one of them is $__.
3. On a Sunday afternoon, a fruit seller earned $430 by selling apples and earned $415 by selling oranges. She earned about $___ altogether. (Hint: Round the answer to nearest 10)
4. Elsa went to an orchard and plucked 85 oranges from the first tree, 89 orages from the second tree, 93 oranges from the third tree, and 97 oranges from the fourth tree. If this pattern continues, how many oranges will Elsa pluck from the fifth tree?
5. Cathy throws a dice 3 times and got digits (7, 3, 5). Using these digits, form the lowest possible 3 digit number.
6. Find the smallest number in the list: (80, 4, 24, 75)
7. Write the next number in the given sequence: (82,92,102,112,__)
8. What 3-digit number has 4 in the tens place and the digit in tens place is 2 less than the digit in ones place and the digit in tens place is 1 more than the digit in the hundreds place?
9. Ria throws a dice 3 times and got digits (4, 9, 7). Using these digits, form the lowest possible 3 digit number.
10. Aadya throws a dice 3 times and got digits (4, 6, 2). Using these digits, form the highest possible 3 digit number.
11. Shruti thinks of a number which is the predecessor of 548. What number does she has in her mind?
12. On a Sunday afternoon, a fruit seller earned $284 by selling apples and earned $254 by selling oranges. She earned about $___ altogether. (Hint: Round the answer to nearest 10)
13. Cristina throws a dice 3 times and got digits (6, 8, 4). Using these digits, form the highest possible 3 digit number.
14. Cathy throws a dice 3 times and got digits (8, 3, 6). Using these digits, form the highest possible 3 digit number.
15. A school cafeteria owner earns about $686 in a week. About $237 is spent to buy raw materials. She saves about $__ per week. (Hint: Round the answer to nearest 10)
16. Suma, Ria, Ana and Kirti spent $9, $50, $69 and $47 respectively in a shopping mall. The smallest amount spent by one of them is $__.
17. Suma, Ria, Ana and Kirti spent $61, $85, $54 and $2 respectively in a shopping mall. The largest amount spent by one of them is $__.
18. Find the largest number in the list: (13, 25, 4, 41)
19. Aadya thinks of a number which is the successor of 792. What number does she has in her mind?
20. Find the smallest number in the list: (60, 41, 60, 38)
21. Elsa throws a dice 3 times and got digits (4, 8, 6). Using these digits, form the lowest possible 3 digit number.
22. Cathy went to an orchard and plucked 58 apples from the first tree, 48 apples from the second tree and 38 apples from the third tree. If this pattern continues, how many apples will Cathy pluck from the fifth tree?
23. Count on in the steps of 4 and find the next number: (86,90,94,98,__)
24. Count back in the steps of 10 and find the next number: (76,66,56,46,__)
25. Ria thinks of a 3-digit number that has 1 tens, 6 ones and the sum of all the digits is 14. What number does she has in her mind?
26. Suma thinks of a number which is the predecessor of 695. What number does she has in her mind?
27. Aliya thinks of a number which is the predecessor of 492. What number does she has in her mind?
28. Write the next number in the given sequence: (80,84,88,92,__)
29. In a school, there are 441 boys and 440 girls. There are about __ students in the school. (Hint: Round the answer to nearest 10)
30. Suma throws a dice 3 times and got digits (5, 5, 4). Using these digits, form the highest possible 3 digit number.