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Expression Lab6-8 · Expression Lab: Model one relationship

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Guided investigation

Expression Lab: Model one relationship

Expression Lab: two representations appear different but may describe the same quantitative relationship.

Expression Lab Grade 6 mission: Use the provided comparison and keep one condition fixed. Build evidence for this learning goal: Connect different action stories that produce the same quantity.

quantity
representation
conjecture

1Conjecture
2Represent
3Manipulate
4Justify
5Generalize
6Counterexample

Model

Quantities and representation

Run the baseline and one changed case. Keep the named controls fixed.

Represent: Expression Lab table, visual model, and symbolic rule
Invariant to test: Connect different action stories that produce the same quantity.
Proof limit: A single valid case cannot establish a universal claim.

Input quantity45

Choose a conjecture that can be checked across representations.

Evidence

Computed comparison

Commit a testable model and run the investigation to generate evidence.

Original World tools

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