WASHINGTON STATE MATHEMATICS COUNCIL

1997 MIDDLE SCHOOL MATH OLYMPIAD

FIFTH GRADE NUMBER SENSE

SCHOOL ___________________________ TEAM_______



1). How many 2-digit numbers have a "3" in them?

Answer:_________

2). The sum of five consecutive odd integers is 65. What is the smallest of the numbers?


Answer:_________

3). Courtney started on the ground floor of the Columbia Tower building and rode the elevator up 3 floors to the 4th floor. She then rode it down 5 floors (into the basement). Finally she rode up 10 floors and got off. What floor was she on?



Answer:_________

4). Suppose the time is now 2 o'clock on a twelve hour clock . What time will it show 1,000 hours from now?


Answer:_________

5). A cage at the Woodland Park Zoo in Seattle contains both wild turkeys and white tailed deer. If there are a total of 54 eyes and 84 feet in the cage, how many turkeys are in the cage?


Answer:_________