M-ALG-021Foundation & HigherReview: PendingShow expressions are equivalent
Algebra · Algebraic reasoning (T-ALG-008)
v1 mapping, pending teacher review. Only AQA and Edexcel are mapped so far. The first 3 pilot worksheets and their worked answers are available; remaining worksheets are coming soon. All videos are still coming soon.
- Retrieval
- Simplify both expressions
- Fluency
- Use expansion and substitution as appropriate
- Reasoning
- Distinguish an example, a counterexample and a general argument.
- Application
- Identify a counterexample to a false identity
- Common misconception
- Testing a few values does not prove an identity.
Video brief
Model how to show expressions are equivalent. Explain each step; pause for a matching shadow question.
Planned video: V-ALG-021 · Video coming soon
Worksheets
Worksheets coming soon
Note: Scope and tier apply to this skill; tag each generated variant separately.