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This Expression Exchange interactive also includes:
- Teacher Reference
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Bank on your ability to write equivalent expressions. Scholars use an interactive to create expressions using coins. They then convert these to algebraic expressions and figure out how to evaluate them. A game with various difficulty levels tests the ability to write equivalent expressions.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Have learners write out algebraic expressions for their coin expressions before using the conversion feature
Classroom Considerations
- Knowledge of expressions is necessary
- Accessing the Teacher Tips document requires a PhET account
Pros
- Gives instant feedback
- Easy to use independently or in class
Cons
- None