A directory of useful objects found on the web for teaching Maths.
https://phet.colorado.edu/en/simulations/equality-explorer
Interactive, Publisher, PhET
Solve and manipulate algebraic equations by applying properties of real numbers (in particular, the inverse properties of addition and multiplication) and properties of equality
Solve and manipulate algebraic equations by substituting different values for a variable
Use a balance model to solve an equation for an unknown, and justify your strategies for solving
Solve an equation using only universal operations
4 November 2024 Edit: 4 November 2024
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