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

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.

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.

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.