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Regular Features

OMCA News byGerard Lewis
Events at the Fields: Problem Posing and Mathematics in Early Years by Pamela Brittain
OAME/NCTM Report: Spring 2026 NCTM Highlights for Ontario Math Educators by Gerard Lewis
Elementary Math Matters: Five- and Ten-Frames... Some Lessons from Six-Year-Old Xander by Lynda Colgan
Mb4T (Mathematics by and for Teachers): Partial Quotients: A Bridge to Understanding Division by Sofia Ferreyro-Mazieres
Play, Math, and Early Learning: Sorting by Jennifer Holm
Meaning Making in the Classroom: Understanding How Question Focus and Format Influences Student Understanding by David Costello
In the Middle: Making More of Financial Literacy by Carly Ziniuk
What’s the Problem? Amazing Arithmetic by Shawn Godin
Useful Theories to Know About: HOTS and LOTS by Jeff Irvine
Musing on Percentages: % as a (Curious) Number by Jérôme Proulx
The Math Teacher’s Home Base: The Alphabet Dance: Symmetries, Solids, and Wordplay by Ron Lancaster

Articles

Abacus Activities

A MODEL FOR UNDERSTANDING HOW GEOMETRY LEARNING DEVELOPS
A BRIEF, TEACHER- FRIENDLY SUMMARY OF THE RESEARCH
A THREE-DAY CLASSROOM SEQUENCE THAT CAN BE ADAPTED FOR GRADES 3–6, USING PAPER FOLDING AND DYNAMIC GEOMETRY TOOLS, THAT SUPPORTS TESTING, REFINING, AND JUSTIFYING IDEAS
VISUAL SUPPORTS AND INFOGRAPHICS DESIGNED FOR QUICK REFERENCE

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