Office: Bahen Centre/BA 6176 |

- For teachers
- For undergraduates
- For secondary students
- For latest olymon
- The Matching Game
- Intuition and Rigour
- Proof in Mathematics (with G. Hanna)
- Problems for school students and their parents (OAME 2007)
- Book review: Liping Ma - Knowing and teaching elementary mathematics
- Egerton Ryerson on mathematics instruction in schools
- Classic puzzles old and new
- Composing linear polynomials
- Composing quadratic and higher degree polynomials
- Crossing the River (July 25, 2013)
- Life's Big Questions {August 15, 2013)
- Neat games for two people (August 22. 2013)
- The number 142857 (September 5, 2013)
- Some birthday surprises {September 19, 2013)
- The convenience store (October 17. 2013)
- Convenience store revisited (October 31, 2013)
- Frog jump {November 21, 2013)
- Pythagorean triples (December 5. 2013)
- A magic square (December 19, 2013)
- The richness of mathematics (January 9, 2014)
- Divisibility (January 23, 2014)
- The problem of the four points (February 5, 2014)
- Matchmaking (February 27, 2014)
- Red and green hats (March 20, 2014)
- Challenge with digits (March 27, May 1, May 8, 2014)
- The birthday cake (April 10, 2014)
- The problem of the large number (May 22, 2014)
- A pair of geometry problems (June 5, June 19, 2014)
- The ace rises to the top (July 3, 2014)
- The art of sitting and standing (July 17, 2014)
- The ratchet (July 31, 2014)
- The beer mug theorem (August 14, 2014)
- The beer mug theorem: diagram (August 14, 2014)
- The arithmetic games (August 21, 2014)
- The rotating table (September 18, 2014)
- A problem for this year (October 9, 2014)
- Summing cubes (October 16, 2014)
- The journey of Ardeth and Charlotte (November 6, 2014
- Billiard balls (November 27, 2014)
- Noughts and crosses (December 4, 2014)
- Jack, the hunter (December 18, 2014; January 8, 2015)
- Counting the zeros (January 15, 2015)
- The ten number surprise (January 29, 2015)
- The four colour theorem (February 12, 2015)
- Extra-sensory perception (February 26, 2015)
- A game for two (March 12, 2015)
- Dodecabus (March 26, 2015)
- The turnaround (April 9, 2015)
- Reproducing squares (April 30, 2015)
- Confidence in mathematics (May 14, 2015)
- Horses and Egyptian fractions (June 4, 2015)
- Homer Simpson and Fermat's Last Theorem (June 25, 2015)
- GIMPS and the prime from hell (July 9, 2015)
- Two problems about numbers (July 23, 2015)
- The Alabama paradox (August 6, 2015)
- Knights and knaves (August 27, 2015)
- Rule of Eleven (September 17, 2015)
- Matt. 20:1-16 slightly revised (October 1, 2015)
- It makes no difference (October 29, 2015)
- Lines through points (November 12, 2015)
- Running it backwards (December 3, 2015)
- More digit puzzles (December 17, 2015)
- Palindromic products and some digital solutions (January 14, 2016)
- The last three holiday problems (January 21, 2016)
- In my estimation (February 11, 2016)
- Don't be confounded by compounding (February 25, 2016)
- An organized shuffle (March 17, 2016)
- A sequence of squares (April 28, 2016)
- The last ones standing (May 26, 2016)
- Cuckoo clock (June 2, 2016)
- Bridge on the River Tay (June 9, 2016)
- A microworld series (June 23, 2016)
- Cribbage (July 14, 2016)
- Books for elementary pupils
- Exercises on arithmetic
- Exercises on ratio and proportion (percentages, rates)
- Exercises on patterns
- Exercises on combinatorics
- Exercises on geometry
- Mathematics in a deck of cards
- International Mathematical Talent Search
- The four points
- The law of cosines
- Fun with pythagoras
- Quadratic forms
- A magic square
- Passacaglia on an odd theme
- Reducible quadratics
- Squares of the form ab+k
- Number rings
- Products of integers that are powers
- Can products of consecutive numbers be square?
- A minimization example
- Prague clock sequences
- Consecutive multiples following consecutive squares
- Sums and multiples using all the digits
- A collection of patterns
- Preparation for university
- Problems in logic and analysis
- Exercises on factoring differences of squares
- The quadratic formula
- The inverse of a quadratic function
- Exercises on quadratic polynomials
- Exercises and problems on complex numbers
- Grade 12 calculus: The Plank Problem
- Arithmetic-geometric means inequality
- Area under a cycloid
- Angle subtended by a diamenter
- Pythagorean triples generalized
- Simultaneous equations with an extraneous solution
- Mathematics in a deck of cards
- Algebra 1956
- Geometry 1956
- Trigonometry and Statics 1956
- Problems 1942
- Problems 1943
- Problems 1944
- Problems 1945
- Problems 1946
- Problems 1947
- Problems 1948
- Problems 1949
- Problems 1950
- Problems 1951
- Problems 1952
- Problems 1953
- Problems 1954
- Problems 1955
- Problems 1956
- Problems 1957
- Problems 1958
- Problems 1959
- Problems 1960
- Problems 1961
- English Composition 1956
- Putnam and other problems sorted according to topic
- Putnam problems in algebra
- Putnam problems in calculus and analysis
- Putnam problems in combinatorics
- Putnam problems in differential equations
- Putnam problems in geometry
- Putnam problems in groups, fields and axiomatics
- Putnam problems in inequalities
- Putnam problems in matrices and linear algebra
- Putnam problems in number theory
- Putnam problems in probability
- Putnam problems in real numbers
- Putnam problems in sequences
- U of T Undergraduate Competition Student Rankings
- U of T Undregraduate Competitions: Complete problem set
- First University of Toronto Undergraduate Mathematics Contest (2001)
- Second University of Toronto Undergraduate Mathematics Contest (2002)
- Third University of Toronto Undergraduate Mathematics Contest (2003)
- Fourth University of Toronto Undergraduate Mathematics Contest (2004)
- Fifth University of Toronto Undergraduate Mathematics Contest (2005)
- Sixth University of Toronto Undergraduate Mathematics Contest (2006)
- Seventh University of Toronto Undergraduate Mathematics Contest (2007)
- Eighth University of Toronto Undergraduate Mathematics Contest (2008)
- Ninth University of Toronto Undergraduate Mathematics Contest (2009)
- Tenth University of Toronto Undergraduate Mathematics Contest (2010)
- Eleventh University of Toronto Undergraduate Mathematics Contest (2011)
- Twelfth University of Toronto Undergraduate Mathematics Contest (2012)
- Thirteenth University of Toronto Undergraduate Mathematics Contest (2013)
- Fourteenth University of Toronto Undergraduate Mathematics Contest (2014)
- Fifteenth University of Toronto Undergraduate Mathematics Contest (2015)
- Sixteenth University of Toronto Undergraduate Mathematics Contest (2016)
- Seventeenth University of Toronto Undergraduate Mathematics Contest (2017)
- Eighteenth University of Toronto Undergraduate Mathematics Contest (2018)
- Preface and foreword
- 1. Roots of Polynomials
- 2. The Taylor Expansion
- 3. Locating Zeros of Polynomials
- 4. Interpolation and Representation
- 5. Approximatiom by Polynomials
- 6. Irreducibility and Factorization
- 7. Dynamical Systems
- 8. Curves in the Plane
- 9. Allemands
- 10. Diophantine Equations
- 11. Diophantine Equations for Polynomials
- References: Books
- References: Papers
- Tips for writing up solutions
- En 'ecrivant les solutions
- List of Olymon problems 1-300
- List of Olymon problems 301-600
- List of Olymon problems 601-present
- Olymon Volume 1 (2000)
- Olymon Volume 2 (2001)
- Olymon Volume 3 (2002)
- Olymon Volume 4 (2003)
- Olymon Volume 5 (2004)
- Olymon Volume 6 (2005)
- Olymon Volume 7 (2006)
- Olymon Volume 8 (2007(
- Olymon Volume 9 (2008)
- Olymon Volume 10 (2009)
- Olymon Volume 11 (2010)
- Olymon for January, 2008
- Olymon for March, 2008
- Olymon for April, 2008
- Olymon for May, 2008
- Olymon for July, 2008
- Olymon for September, 2008
- Olymon for October, 2008
- Olymon for November, 2008
- Olymon for December, 2008
- Olymon for January, 2009
- Olymon for February, 2009
- Olymon for March, 2009
- Olymon for April, 2009
- Olymon for May, 2009
- Olymon for June, 2009
- Olymon for August, 2009
- Olymon for October, 2009
- Olymon for November, 2009
- Olymon for January, 2010
- Olymon for February, 2010
- Olymon for March, 2010
- Olymon for May, 2010
- Olymon for June, 2010

Ed Barbeau is professor emeritus of mathematics at the University of Toronto.

I am grateful to M. Jean-David Houle for providing French translations for the Tips for Writing up Solutions.