Math Circles lessons from prior years have been organized by themes. A lesson may have more than one theme. These resources are provided for both students and teachers. Please use them!
Information about the audience, dates and location.
Algebra
(Patterning, Relations, Sequences, Functions)
Within each theme, lessons have been further organized by grade level: Grade 6, Grade 7/8, Grade 9/10,
and Grade 11/12.
Grade 6

Linear Relations


Percentages and Applications


Circles


Greek Alphabet


Modular Arithmetic


Bijections & Binary Strings


Functions


Graphing Functions


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Grade 7/8

Systems of Equations


Sequences


Polygonal Numbers


Ancient Mathematics


Boolean Algebra


Inequalities and Absolute Values


Introduction to Interest


Triangles


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Grade 9/10

OEIS


Linear Diophantine Equations

Part 1 Lesson

PDF

Part 1 Problem Set

PDF

Part 1 Solutions

PDF

Part 2 Lesson

PDF

Part 2 Problem Set

PDF

Part 2 Solutions

PDF


Analytic Geometry


Colouring Graphs


More Counting


Contest Prep


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Grade 11/12

Cryptography

Lesson 1

PDF

Problem Set 1

PDF

Solutions 1

PDF

Lesson 2

PDF

Problem Set 2

PDF

Solutions 2

PDF


Cardinality

Lesson 1

PDF

Problem Set 1

PDF

Solutions 1

PDF

Lesson 2

PDF

Problem Set 2

PDF

Solutions 2

PDF


Crocodiles


Symmetrical Equations


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