Curated OER
Surface Area
Sixth graders compute the surface area. In this surface area lesson students are given a set of problems to calculate. They compute the surface area of cubes and rectangular boxes.
University of Cambridge
University of Cambridge: Nrich: Instant Insanity
Excellent interactive challenge working with cube nets to stack them in a specific order. Manipulate the cubes online to solve the problem.
University of Cambridge
University of Cambridge: Nrich: Triangles to Tetrahedra
Given an unlimited number of a specific type of equilateral, isosceles, and right triangles create as many tetrahedra as are possible. Includes printout.
University of Cambridge
University of Cambridge: Nrich: Net Cuts
In this enrichment game, the nets for nine solids are displayed. The twist is that each net has been cut into two pieces. The challenge is find the pieces that go together.
University of Cambridge
University of Cambridge: Nrich: Christmas Presents
Improve your logic and net recognition skills with this learning game. Solution included.
University of Cambridge
University of Cambridge: Nrich: Making Boxes
Have fun and learn by making a box and then find out its maximum volume as well as other problem-solving activities, including making a table of your results and drawing a graph.
University of Cambridge
University of Cambridge: Nrich: Making Cuboids
How many different cuboids can you make? Learn how and learn how to represent data with your results.