Lesson Plan
Curated OER

Creating Gardens

For Teachers Higher Ed
Students are shown that numeracy is all around them. They use volume, and calculate the quantity of soil required to make a garden to given instructions. Students are asked how to calculate the amount of soil required for the garden.
Lesson Plan
Curated OER

Line and Shading = Shape and Form

For Teachers 4th - 12th
Students collect natural objects and draw these objects with and without shading.
Lesson Plan
Curated OER

Shape Toss

For Teachers K - 2nd
Students get a bounce ball and find a Polyspot. On the teacher's signal, students underhand throw to a target. They keep their own score: one point each time they hit a target.
Activity
University of Regina (Canada)

University of Regina: Math Central: Irregular Surface Area Exercise

For Students 9th - 10th Standards
Students will be engaged by this assignment that has them estimating the areas of irregular surfaces. This includes computing the area of rectangles, triangles, and circles.
Lesson Plan
Better Lesson

Better Lesson: Area in Real Life With Irregular Polygons

For Teachers 3rd Standards
Dividing an irregular shape into rectangles helps students find the area of an irregular shape.
eBook
Mathigon

Mathigon: Geometry: Polygons and Polyhedra: Quadrilaterals

For Students 9th - 10th Standards
This lesson focuses on quadrilaterals which can fall into multiple categories based on the number of sides and the angles.