National Council of Teachers of Mathematics
The Math Forum: Lesson Plan Non Standard Measuring
This is a short, fun lesson plan with a literature connection, "Miss Nelson is Missing". It uses candy bars as non-standard units for measuring objects in the classroom.
John F. Kennedy Center
The Kennedy Center: Balancing Mobiles
In this lesson plan, middle schoolers will apply mathematical, science, and engineering concepts to experiment with balancing levers. They will learn to classify types of levers to design and build a simplified mobile. Students will...
Library and Archives Canada
Nlc: Defining Primary and Secondary Sources
Libraries and archives hold documents and books that can be used for your research projects. Learn how to divide and identify them into primary and secondary sources in this tutorial.