Grade 8 · Unit 6

Linear vs. Nonlinear

Recognizing constant rate of change

Curriculum standard — Model stage of the Thinking Ladder

Given

Unknown

Strategy

Represent, then solve using the structure of the concept. Verify before accepting.

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Three pathways, one topic

Study linear vs. nonlinear at three depths

Grade/course-level problems with full understanding.

Parameters, multiple representations, proof, and modeling.

Non-routine problems and competition applications.