HIGHLINE SCHOOL DISTRICT
MATH OLYMPIAD
SECOND YEAR COMPETITION
March 13,1999






Number Sense

School: _________________

Grade: __________________

Team Number: ____________

1). What is the greatest common factor (GCF) of 76 and 133?

 

_______________

2). What is the least common multiple (LCM) of 15 and 35?

 

_______________

3). The sum of 3 consecutive odd numbers is 45. What is the smallest of these numbers?

 

_______________

4). What is the next number in this sequence?
5   10   7   14   11   22   19   ____

_______________

5). In this subtraction problem, the letters A and B stand for 2 different digits. What digits do they stand for?
   7 2 5
- A 8 6
--------
A A B

A=______________

B=______________