David Osorio will often use storybooks to pique his student’s interest in mathematics. The Dr. Eric Jackman Institute of Child Study teacher has watched as children begin to relate to... read more →

Focus on Symmetry Symmetry is a concept with wide-ranging applications in the natural and cultural worlds we inhabit. Pervasive in the arts, it serves as a foundational idea in STEAM... read more →

Spatial reasoning:A toolkit with lessons Spatial reasoning:A toolkit with lessons Young children’s capacity to reason spatially has amazed The Robertson Program for years. In our work with classroom teachers, we... read more →

Understanding place value is foundational to conceptualizing number It is imperative that children understand how one number relates to another when navigating our base-ten-dependent society. Yet, an alarming number of... read more →

Four quick and efficient assessments that help educators better understand the mathematical strengths and needs of students. Along with each assessment, we've suggested lessons available in our free math lesson library... read more →

Dr. Julie Comay explores how learning math is filled with joyful possibilities. In her message at this year’s meeting of the National Council for Teachers of Mathematics (NCTM), president Trina... read more →

Whole Number Bias and 3 Misconceptions about Fractions in Junior Math Whole Number Bias and 3 Misconceptions about Fractions in Junior Math Q&A: OISE Assistant Professor Dr. Zack Hawes explains... read more →

Exploring Food Insecurity using Financial Literacy Using mathematics to understand food insecurity highlights factors that influence one's ability to access food. Due to the supply issues resulting from the pandemic,... read more →

Lessons Videos Blogs OPM This year, The Robertson Program has enhanced its online offerings. With more than 30 new lessons in our online library, several new... read more →

Math, science & exploration in outdoor classrooms The Rural Outdoor Classroom New ideas from "Camp" at Mine Centre P.S. The Urban Outdoor Classroom Video tours of 2 different... read more →