Junior/Intermediate 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.

Perimeter Challenge

Two shapes made of blocks. A title reads, "Perimeter Challenge".

Students use square tiles to create various shapes and compare their perimeter lengths.

Pumpkin Math: Part 1

A student measuring a pumpkin with a measuring tape. A title reads, "Pumpkin Math".

A 2-part lesson exploring the relationship between a pumpkin's circumference, height, and weight.

Pumpkin Math: Part 2

A student measuring a pumpkin with a measuring tape. A title reads, "Pumpkin Math".

A 2-part lesson exploring the relationship between a pumpkin's circumference, height, and weight.

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.

Sum of Interior Angles of a Polygon

Three different math tools showing angles. A title reads, "Sum of Interior Angles of a Polygon".

In this lesson, students will explore the relationship between the sums of interior angles in different polygons.

Volume and Displacement of Water

Four plastic containers stacked. A title reads, "Volume and Displacement of Water".

Students explore displacement in large volumes of water by experimenting on a smaller scale.