Robertson Blog

The Power of the Number Line: A Model that Scales

Number lines make explicit and build upon pre-existing spatial-numeric intuitions, support children’s growing understanding of ratio, proportion and scaling, and help students to construct and internalize a “mental number line” that continues to develop in complexity from kindergarten through university mathematics and beyond.

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Junior Daily Math Discussion

Grade 4/5 Teacher Zoe Donoahue shares the Daily Math Discussion she’s developed for junior grades. Her students use the number of days in school to explore factors, prime and composite numbers, fractions, division, multiplication, place value — and more!

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Teacher Learning Modules: Mathematics concepts for elementary teachers

Self-directed modules intended to support primary- and junior-grade teachers seeking to solidify or extend their mathematical knowledge for teaching. Concepts and procedures are based on Ontario’s elementary math curriculum. Each module concludes with an interactive problem-solving slide deck to practice relevant concepts in different contexts.

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Truth and Reconciliation, an effort to reveal the truths about Indigenous peoples in Canada and move forward in establishing and maintaining respectful relationships can be woven into teacher education programs in several ways. Teacher education programs can integrate Indigenous knowledge and culture into their existing courses, provide opportunities for students

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The Robertson Program held three playful math sessions with children in the Youth Association for Academics, Athletics, and Character Education’s (YAAACE) Summer 2023 Camp.

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Number lines make explicit and build upon pre-existing spatial-numeric intuitions, support children’s growing understanding of ratio, proportion and scaling, and help students to construct and internalize a “mental number line” that continues to develop in complexity from kindergarten through university mathematics and beyond.

Read More »

Lesson ideas for investigating insects, exploring their relationship with the local environment, and understanding their influence on a global scale. Different lesson ideas for primary and junior teachers.

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Grade 4/5 Teacher Zoe Donoahue shares the Daily Math Discussion she’s developed for junior grades. Her students use the number of days in school to explore factors, prime and composite numbers, fractions, division, multiplication, place value — and more!

Read More »

Self-directed modules intended to support primary- and junior-grade teachers seeking to solidify or extend their mathematical knowledge for teaching. Concepts and procedures are based on Ontario’s elementary math curriculum. Each module concludes with an interactive problem-solving slide deck to practice relevant concepts in different contexts.

Read More »