Math Olympiad Grade5

International Junior Math Olympiad Grade5_01 on Day:.........Month:..........Year:...........

Student Name: Class:

Total Core =

Question 1: How many rectangles are there in the figure below?

Question 2: February 2017 has 28 days. The number of days in this year's February is how many times of the number of days in one week?

4 times

7 times

21 times

35 times

None of the above

Question 3: There were 400 members in a chess club last year. The number of members decreased by 5% this year. How many members are there in the chess club this year?

395

390

385

380

375

Question 4: The product of all the factors of 10 is equal to _______.

100

200

Question 5: The sum of two prime numbers is always ______

even

divisible by 3

odd

greater than 3

prime

Question 6: The letters in the word MATHEMATICIAN were put in a box. What is the chance of getting letter A?

3 out of 9

3 out of 10

3 out of 13

1 out of 11

3 out of 11

Question 7: What fraction of this square is shaded if the line inside divides the square into two equal parts?

1/2

1/3

3/8

3/5

3/4

Question 8: Mr. Cho received a container of fresh eggs. He sold 13 of the eggs in the morning and sold 320 eggs in the afternoon. At the end of the day, he found that 14 of the eggs were not sold. How many eggs did he receive in the beginning?

768

448

549

1224

1600

Question 9: Cindy saved $15 in the first month, $30 in the second month, $45 in the third month, and so forth. The amount of money she saved in the last month was $120. How much money did Cindy save in total?

210

300

350

420

540

Question 10: A number is added to 3. The sum is then multiplied by 5. When 8 is subtracted from the product, the result is 12. What is this number?