Lewis & ClarkCollege of Arts & Sciences

Mathematical Sciences

Puzzles of the Week Contest

Welcome to the Math Puzzles of the Week Contest! Everyone is encouraged to have fun and try each problem.

Each week, a new puzzle will be emailed to all math and CS students, plus posted in the department hallway and Math classrooms. Solutions are due on Mondays at 5pm. The Honor Roll list of successful students will be posted in the Math Dept every Tuesday morning. At the end of the term, the students who solve the most puzzles will win prizes!

Math Solutions should be placed in Yung-Pin Chen’s mailbox in the Math Department on the 3rd floor of BoDine Bldg (or mailed via campus mail to MSC 110), by 5pm on Mondays.

Spring 2012

1. First Puzzle Due Monday, January 30 at 5:00pm
2. Second Puzzle Due Monday, February 6 at 5:00pm
3. Third Puzzle Due Monday, February 13 at 5:00pm
4. Fourth Puzzle Due Monday, February 20 at 5:00pm
5. Fifth Puzzle Due Monday, February 27 at 5:00pm
6. Sixth Puzzle Due Monday, March 5 at 5:00pm
7. Seventh Puzzle Due Monday, March 12 at 5:00pm
8. Eighth Puzzle Due Monday, March 19 at 5:00pm
9. Ninth Puzzle Due Monday, April 2 at 5:00pm
10. Tenth Puzzle Due Monday, April 9 at 5:00pm
11. Eleventh Puzzle Due Monday, April 16 at 5:00pm
11. Twelfth Puzzle Due Monday, April 23 at 5:00pm

Winners!!

Fall 2011

 1. First Puzzle Due Tuesday, Sept 6 at 10:00am
 2. Second Puzzle Due Monday, Sept 12 at 5:00pm
 3. Third Puzzle Due Monday, Sept 19 at 5:00pm
 4. Fourth Puzzle Due Monday, Sept 26 at 5:00pm
 5. Fifth Puzzle Due Monday, Oct 3 at 5:00pm
 6. Sixth Puzzle Due Monday, Oct 17 at 5:00pm
 7. Seventh Puzzle Due Monday, Oct 24 at 5:00pm
 8. Eighth Puzzle Due Monday, Oct 31 at 5:00pm
 9. Ninth Puzzle Due Monday, Nov 7 at 5:00pm
10. Tenth Puzzle Due Monday, Nov 14 at 5:00pm
11. Eleventh Puzzle Due Monday, Nov 21 at 5:00pm
12. Twelfth Puzzle Due Monday, Dec 5 at 5:00pm

Winners!!

Spring 2011

1. First Puzzle Due Monday, Jan 24 at 5:00 pm
2. Second Puzzle Due Monday, Jan 31 at 5:00 pm
3. Third Puzzle Due Monday, Feb 7 at 5:00 pm
4. Fourth Puzzle Due Monday, Feb 14 at 5:00 pm
5. Fifth Puzzle Due Monday, Feb 21 at 5:00 pm
6. Sixth Puzzle Due Monday, Feb 28 at 5:00 pm
7. Seventh Puzzle Due Monday, March 7 at 5:00 pm
8. Eighth Puzzle Due Monday, March 14 at 5:00 pm
9. Ninth Puzzle Due Monday, April 4 at 5:00 pm
10. Tenth Puzzle Due Monday, April 11 at 5:00 pm
11. Eleventh Puzzle Due Monday, April 18 at 5:00 pm
12. Twelfth Puzzle Due Monday, April 25 at 5:00 pm

Winners!!

Fall 2010

1. First Puzzle Due Tuesday, Sept 7 at 10:00 am
2. Second Puzzle Due Monday, Sept 13 at 5:00 pm 
3. Third Puzzle Due Monday, Sept 20 at 5:00 pm  
4. Fourth Puzzle Due Monday, Sept 27 at 5:00 pm 
5. Fifth Puzzle Due Monday, Oct 4 at 5:00 pm
 
6. Sixth Puzzle Due Monday, Oct 11 at 5:00 pm
 
7. Seventh Puzzle Due Monday, Oct 18 at 5:00 pm 
8. Eighth Puzzle Due Monday, Oct 25 at 5:00 pm 
9. Ninth Puzzle Due Monday, Nov 1 at 5:00 pm 
10. Tenth Puzzle Due Monday, Nov 8 at 5:00 pm
11. Eleventh Puzzle Due Monday, Nov 15 at 5:00 pm
12. Twelfth Puzzle Due Monday, Nov 22 at 5:00 pm
13Thirteenth Puzzle Due Monday, Dec 6 at 5:00 pm

Winners!!

 

Spring 2010

1. First Puzzle Due Tuesday, Feb 2 at 11:00 am
2.
Second Puzzle Due Tuesday, Feb 9 at 11:00 am
3. Third Puzzle Due Tuesday, Feb 16 at 11:00 am
4.
Fourth Puzzle Due Tuesday, Feb 23 at 11:00 am

5.
Fifth Puzzle Due Tuesday, March 2 at 11:00 am

6.
Sixth Puzzle Due Tuesday, March 9 at 11:00 am

7.
Seventh Puzzle Due Tuesday, March 16 at 11:00 am

8.
Eighth Puzzle Due Tuesday, March 30 at 11:00 am
9. Ninth Puzzle Due Tuesday, April 6 at 11:00 am
10. Tenth Puzzle Due Wednesday, April 14 at 11:00 am
11. Eleventh Puzzle Due Monday, April 26 at 11:00 am
  

  Winners!!


Fall 2009

1. First Puzzle Due Tuesday, Sept 8 at 11:00 am
 2. Second Puzzle Due Monday, Sept. 14 at 5 pm
 3. Third Puzzle Due Monday, Sept. 21  at 5 pm
4. Fourth Puzzle Due Monday, Sept. 28  at 5 pm
5. Fifth Puzzle Due Monday, Oct 5  at 5 pm
6. Sixth Puzzle Due Monday, Oct 12  at 5 pm
7. Seventh Puzzle Due Monday, Oct 19  at 5 pm
8. Eighth Puzzle Due Monday, Oct 26  at 5 pm
9. Ninth Puzzle Due Monday, Nov 2  at 5 pm
10. Tenth Puzzle Due Monday, Nov 9  at 5 pm   
11. Eleventh Puzzle Due Monday, Nov 16  at 5 pm
12. Twelfth Puzzle Due Monday, Nov 23  at 5 pm  
13. Thirteenth Puzzle Due Monday, Nov 30  at 5 pm 
14. Fourteenth Puzzle Due Monday, Dec 7  at 5 pm                   

****Winners!****

 

 

Contact Us

The Department of Mathematical Sciences is located in BoDine on the Undergraduate Campus.

Emailmathsci@lclark.edu

Voice503-768-7560
Fax503-768-7668

ChairJeffrey S. Ely

Department of Mathematical Sciences
Lewis & Clark
0615 S.W. Palatine Hill Road, MSC 110
Portland, OR 97219