Unit rates
Target: Find a per-one rate by dividing.
Language target: Say the rate “per 1.”
Likely miss: Students multiply the two measurements or divide the unit into the total.
Ask: Which quantity did you make equal to 1?
If you see it: Ask which quantity should become 1, and which number is being shared.
Evidence to listen for: The student states the per-one amount with both units.
Next: If division order flips, keep the sentence “per 1” visible and try a smaller total.
Observable student moves: names both quantities, uses the represented relationship, and revises after feedback. This companion is not a score.
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