Primary Math Lessons | The Robertson Program | Ontario Institute for Studies in Education

The Robertson Program

Area and Perimeter

Graph papers overlapping with a title that reads, "Area and Perimeter".

Students use the sum of two dice to create the perimeter and area of shapes on a grid.

Can You Measure This?

Two rulers with a pencil between them and a title that reads, "Can you measure this?"

Students measure objects with a ruler, but they can't start at 0 cm!

Daily Calendar

A classroom with a bunch of people seated and an instructor standing and pointing at a calendar. A title reads, "Daily Calendar".

This daily lesson with many small activities gives students the opportunity to practice all five strands of math every day.

Exploring Tangrams

Students working with tangrams and a title that reads, "Exploring Tangrams".

The history behind tangrams is a great way to explore composition, decomposition and spatial reasoning.

Garden Patio

A baking pan with purple coloured squares on it. A title also reads, "Garden Patio".

Children explore measurement and geometry and spatial sense through a narrative about a garden patio.

How Many Seeds in a Pumpkin?

A book with the words, "Lesson Plan: Addition, Multiplication, Estimation, Data Collection", and a title that reads, "Pumpkin Inquiry".

Explore addition, multiplication, data management, and the relationship between size and capacity.

Making Clocks

Students sitting on the carpet with an instructor and a paper clock. A title reads, "Making Clocks".

Students explore ways of measuring the passage of time by making their own clock!

Spatializing Area

Two pieces of paper with blue and grey squares over top. A title reads, "Spatializing Area".

Students use cutout shapes to understand the relationship between size, area and relevant measurements.