Illuminations
Circumference and Areas of Circles
Middle and high schoolers listen to a scenario about a puppy and use the scenario to develop formulas in order to find the area of a circle. In this circumference instructional activity, pupils understand how to find the radius,...
Curated OER
Let's Go Shopping
Seventh graders calculate sales tax and apply discounts regarding a set budget. They create a shopping list, apply tax and discounts, complete a worksheet, and calculate their total cost to equal as close to $1000.00 as they can without...
Curated OER
Robot Area
Students calculate the area of different polygons. In this geometry lesson, students explore polygons based in their shape and number of sides. They find the formula for the area and use each specific formula for each shape.