International Junior Math Olympiad Grade3_02 on Day:.........Month:..........Year:...........

Total Core =

  • Question 1: It is now 6:30 p.m. Ten minutes ago, Lisa’s mother asked Lisa to have dinner but she was in the middle of her homework and would come to dinner in 20 minutes. At what time will she come to dinner?
  • Question 2: How many squares are there in the 4×4 grid below?
  • image of question 2
  • Question 3: A "leap year" is a year which has 366 days including February 29 as an additional day. Any year that is divisible by 4 is a leap year, but a year that is divisible by 100 is a leap year only if it is also divisible by 400. How many leap years are there from 2000 to 2017?
  • Question 4: The seats on a children's merry-go-round are labelled 1, 2, 3, . . .. On the merry-go-round, Asad was sitting on seat number 2, exactly opposite Shaden, who was sitting on seat number 7. How many seats are there on the merry-go-round?
  • Question 5: Study the picture carefully. What number should be placed in the shaded box?
  • image of question 5
  • Question 6: Ronny is facing Northeast. What direction will he be facing if he turns 90o clockwise?
  • Question 7: A restaurant offers 3 courses: entree costs $4, main course costs $9 and dessert costs $5. The "combo", which is entree + main course + dessert, costs $15. How much does a person save if he/she orders the combo instead of the three separate courses?
  • Question 8: A minute ago, there were 20 more people in the room A than in the room B. Six people from the room A moved to room B. How many more people are there in the room A than in room B now?
  • Question 9: Jessica has a lot of apps on her phone. The number of apps she has is divisible by 5. If she downloaded 10 more apps, she would still have less than 50 apps. What is the maximum original number of apps Jessica could have?
  • Question 10: What number is covered by the star?
  • image of question 10