The Robertson Program for Inquiry-based Teaching in Mathematics and Science The Robertson Program for Inquiry-based Teaching in Mathematics and Science The Robertson Program for Inquiry-based Teaching in Mathematics and Science The Robertson Program for Inquiry-based Teaching in Mathematics and Science
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The Robertson Program for Inquiry-based Teaching in Mathematics and Science The Robertson Program for Inquiry-based Teaching in Mathematics and Science
  • About Us
    • Meet the Robertson Team
    • Contact
    • Publications
  • Inquiry
  • Math
    • Math Lessons
      • Early Years
      • Primary
      • Junior/Intermediate
    • Monthly Math Challenge
    • Exploring Math through Inquiry
    • Family Math Nights
    • Online Playful Math
    • Learning at Home
  • Science
    • Science Inquiry
      • Early Years
      • Primary
      • Junior/Intermediate
    • Outdoor Education
  • Blog
  • eNewsletter
  • Donate!

Number Sense

The Robertson Program for Inquiry-based Teaching in Mathematics and Science / Blog / Math Blog / Category: Number Sense

Zero: Mathematics’ Most Mysterious Number

The question of how the number zero is represented in the brain has only recently been studied in the field of neuroscience. Last year, researchers examined the ability of human... read more →
  • March 20, 2025
  • The Robertson Program
  • Blog, Math Blog, Number Sense
Teaching Fractions Through Baking blog web card

Teaching Fractions through Baking: A lesson for Primary/Junior students

A good baker needs to understand fractions When I was younger, I loved helping my mother make waffles from scratch on weekend mornings. I became quite adept at filling up... read more →
  • December 17, 2024
  • The Robertson Program
  • Blog, Math Blog, Number Sense
Listening to the World: Sound Inquiry blog web card

Listening to the World: A 3-part Lesson about Sound

I came to realize the power and presence of sound when I listened to an audio walk – a podcast that guides you through a specific place and tells you... read more →
  • October 10, 2024
  • The Robertson Program
  • Blog, Math Blog, Number Sense
Update on compulsory MPT blog web card

Free math learning modules for Ontario educators + an update on the compulsory math test for Ontario teacher candidates

In November 2023, Ontario’s top court upheld the validity of the mandatory Mathematics Proficiency Test (MPT) for new teachers entering the field. The MPT was first introduced in 2021 as... read more →
  • January 22, 2024
  • The Robertson Program
  • Blog, Inquiry, Math Blog, Number Sense
6 holiday party game ideas blog web card

6 holiday party game ideas for the classroom or at home

It’s quite common at this time of year to find yourself around a table playing a game with friends and family. Other than joy and entertainment, we know there are... read more →
  • December 13, 2023
  • The Robertson Program
  • Blog, Inquiry, Math Blog, Number Sense
The only game you need to teach place value blog web card

The only game you need to teach place value

A parent recently told me about her child in Grade 3 who was struggling to identify how many hundreds, tens, and ones were in any given number. “Is this necessary?... read more →
  • November 9, 2023
  • The Robertson Program
  • Blog, Inquiry, Math Blog, Number Sense
Junior Daily Math Discussion web card

Junior Daily Math Discussion

Grade 4/5 Teacher Zoe Donoahue shares how she reinventeda primary daily math practice so it met the needs of her junior studentsWhen I moved to teaching grade 5, I challenged... read more →
  • April 7, 2023
  • The Robertson Program
  • Blog, Jackman ICS, Math Blog, Number Sense, Zoe Donoahue
Fraction Ball blog web card

Fraction Ball: Bringing rational numbers to the court

Dr. Andres Bustamante is on a mission to design and implement playful STEM learning activities in the places that children and families spend large amounts of time. The University of... read more →
  • February 13, 2023
  • The Robertson Program
  • Blog, Math Blog, Number Sense, OISE, Spatial Reasoning
An image of an educator working with a student on a math assessment. To the left, the image reads "Using clinical interviews to uncover students' place value misconceptions"

Using clinical interviews to uncover students’ place value misconceptions

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 →
  • August 29, 2022
  • The Robertson Program
  • Blog, Math Blog, Number Sense
An image of an educator working with a student on a math assessment. To the left, the image reads "Number Assessment Toolkit, including Give-N Test, Number Knowledge, Empty Number Line and Place Value

Number Assessment Toolkit

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 →
  • August 20, 2022
  • The Robertson Program
  • Blog, Math Blog, Number Sense
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The Robertson Program for Inquiry-based Teaching in Mathematics and Science
at The Dr. Eric Jackman Institute of Child Study
45 Walmer Road
Toronto, Ontario
M5R 2X2

Email: robertson@utoronto.ca