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About Us
Meet the Robertson Team
Contact
Publications
Inquiry
Math
Math Lessons
Early Years
Primary
Junior/Intermediate
Exploring Math through Inquiry
Family Math Nights
Book Reviews
Science
Science Inquiry
Early Years
Primary
Junior/Intermediate
Outdoor Education
Blog
eNewsletter
Videos
Junior/Intermediate Math
Number Sense
Geometry and Spatial Sense
Data Management
Measurement
Patterning and Algebra
All Lessons
Draw a Structure from 3 Different Views
Draw a Structure from 3 Different Views
Students learn how to draw 2D/3D images while using accurate positional and directional language
Build a Structure from 3 Different Views
Build a Structure from 3 Different Views
Students learn how to compare and sort 2D/3D images while using positional and directional language
Budgeting and Food Inequity within Canada
Budgeting and Food Inequity within Canada
Students create a mock budget, while learning about inequities present between regions of Canada
Historical figures in one minute
Historical figures in one minute
Students generate and analyze data to reveal issues of power, racial and gender inequality
Chain Game
Chain Game
Students create a product that can be sold/traded on the “world market.” Soon enough, the market changes!!
Perimeter Challenge
Perimeter Challenge
Students use square tiles to create various shapes and compare their perimeter lengths
Dragon’s Den in the Classroom
Dragon’s Den in the Classroom
Students use data as evidence to convince a panel of judges that their project will be profitable
Displacement in large volumes of water
Displacement in large volumes of water
Students explore displacement in large volumes of water by experimenting on a smaller scale
The volume of a bathtub
The volume of a bathtub
Students learn about volume by exploring how objects displace water when submerged
Fractions and Decimals on a Number Line
Fractions and Decimals on a Number Line
Students use a number line to understand the relationship between fractions and their equivalent decimal forms
Studying Water: Integrating inquiry-based math, science, mapping and social justice
Studying Water: Integrating inquiry-based math, science, mapping and social justice
An inquiry-based lesson integrating math, science, geography, Indigenous rights, language arts and social justice
Sum of interior Angles of a Polygon
Sum of interior Angles of a Polygon
In this lesson, students will explore the relationship between the sums of interior angles in different polygons.
Thousands Black Jack
Thousands Black Jack
In this interactive game, students will use rounding and estimating to get as close to 2100 as possible.
Pythagorean Theorem
Pythagorean Theorem
In these series of investigations, students explore and deepen their understanding of the Pythagorean Theorem.
Pattern Block Coordinates
Pattern Block Coordinates
Students will explore rational numbers using the cartesian plane in this interactive barrier game.
Pentomino Battleship
Pentomino Battleship
Students practice reading letter-number coordinates by playing a battleship game with a partner.
Metris: Multiplication + Tetris
Metris: Multiplication + Tetris
Using dice, students work collaboratively to determine the length, width and area of a rectangle.
The Soroban
The Soroban
Students learn how to use the Soroban to build number sense and learn about place value
Mandala
Mandala
Students design and construct a Mandala, while learning about its rich history, to develop numeric pattern skills
Visual Multiplication
Visual Multiplication
Students learn about a way of visually representing the multiplication of multi-digit whole numbers.
Islamic Architecture
Islamic Architecture
Learn how Islamic artists combine imagination and a geometric framework to create patterns seen around the world
Hypatia
Hypatia
Students will examine different historical figures in math and be exposed to historical ways of studying astronomy.
“Fibonacci” Sequence
“Fibonacci” Sequence
Explore patterning and algebra through the Fibonacci sequence - something found again and again in nature and art
Exploring Tangrams
Exploring Tangrams
The history behind tangrams is a great way to explore composition, decomposition and spatial reasoning
Elasticity and the Role of Women in Mathematics
Elasticity and the Role of Women in Mathematics
Learn about celebrated female mathematician Sophie Germain and her incredible work on elasticity
Egyptian Number System
Egyptian Number System
Students explore the Egyptian Number System through a variety of games including bingo.