2009-10 Problem of the Week Calendar
Links to the Packets, Activity Series, and Online Resources (and more!) are available from the individual problem page (linked from the titles below). Access to the problems is restricted to users who have subscribed to one of our membership services. More information is available on our Pricing Guide.
Mentor groups (indicated by 
) make it possible for more students to receive free mentoring than is normally possible.
If you have a Class Membership or higher, you can view all of last year's problems.
[Math Fundamentals] [Pre-Algebra] [Algebra] [Geometry]
Math Fundamentals | |||||
| Start Date | Problem | Mentor Group |
Submissions Close |
Revisions Close |
|
| August 31 | Pooling Tips | September 13 | September 17 | ||
| September 14 | Heidi's Hometown | September 27 | October 1 | ||
| September 28 | Greta's Garden | October 11 | October 15 | ||
| October 12 | Buy the Numbers | |
October 25 | October 29 | |
| October 26 | Jason's Piggy Bank | November 8 | November 12 | ||
| November 9 | Sundaes | |
November 22 | November 26 | |
| November 23 | Just the Facts  |
December 6 | December 10 | ||
| December 7 | Problem 8 | December 20 | December 24 | ||
| December 21 | Problem 9 | January 10 | January 14 | ||
Pre-Algebra | |||||
| Start Date | Problem | Mentor Group |
Submissions Close | Revisions Close | |
| August 24 | The Oracle's Oration | September 6 | September 10 | ||
| September 7 | At Least a Mile | September 20 | September 24 | ||
| September 21 | Kaytee's Contest | October 4 | October 8 | ||
| October 5 | Watch Where You Step! | October 18 | October 22 | ||
| October 19 | Birthday Line Up | |
November 1 | November 5 | |
| November 2 | Chirp! Chirp! | |
November 15 | November 19 | |
| November 16 | A Cranberry Craving | |
November 29 | December 3 | |
| November 30 | Problem 8 | December 13 | December 17 | ||
| December 14 | Problem 9 | January 3 | January 7 | ||
Algebra | |||||
| Start Date | Problem | Mentor Group |
Submissions Close |
Revisions Close |
|
| August 31 | Mind Reading | September 13 | September 17 | ||
| September 14 | Eduardo's Equation Challenge | September 27 | October 1 | ||
| September 28 | Are You Ready for Some Football? | October 11 | October 15 | ||
| October 12 | Take Me Out to the Ballgame | |
October 25 | October 29 | |
| October 26 | Apple Orchard | November 8 | November 12 | ||
| November 9 | From Here to There | November 22 | November 26 | ||
| November 23 | A Surprising Sequence |
December 6 | December 10 | ||
| December 7 | Problem 8 | December 20 | December 24 | ||
| December 21 | Problem 9 | January 10 | January 14 | ||
Geometry | |||||
| Start Date | Problem | Mentor Group |
Submissions Close |
Revisions Close |
|
| August 24 | Visiting Friends | September 6 | September 10 | ||
| September 7 | What's the Angle? | September 20 | September 24 | ||
| September 21 | Congruent Rectangles | |
October 4 | October 8 | |
| October 5 | Plane and Simple? | October 18 | October 22 | ||
| October 19 | The Folding Ruler | November 1 | November 5 | ||
| November 2 | Well, Well, Well | November 15 | November 19 | ||
| November 16 | Trisecting a Square | November 29 | December 3 | ||
| November 30 | Problem 8 | December 13 | December 17 | ||
| December 14 | Problem 9 | January 3 | January 7 | ||