Can Teach
Can Teach: Target: An Equations Game
Using decks of cards and knowledge of number operations, students develop multi-step equations to reach a target number.
National Council of Teachers of Mathematics
Nctm: Illuminations: Pan Balance Numbers
Use this tool to find out if expressions are equal to each other. If the pan balance levels out then the expressions are equal.
Utah Education Network
Uen: Equivalent Expressions
This multi-segment lesson plan uses games and calculators to explore the concept of equivalent expressions. Students work together using inverse operations to isolate variables in algebraic equations. It also provides attachments for...
Annenberg Foundation
Annenberg Learner: Thinking About Slope
Explore the concept of slope. Ask yourself why the slope between pairs of points would change or why it would stay the same.