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InequalitiesBoundary linesHSA.REI.D.12Grade 9
Find the Boundary
Six checkpoints — number lines, inequality words, attendance and budget constraints, an on-your-own ticket problem and a note to Future Me — then a five-question mastery check. Published — approved by the creator.
Student preview · original design
Open Original Mission ↗Preview the mission exactly as students see it. Please don't enter real student names or press “Save Results” — this is a demo, and that page's results aren't connected to Mission Control yet.
Inside this mission
- Format
- 6 checkpoints, then review and submit
- Question types
- Number-line choice · Word-to-symbol matching · Constraint choice · Yes/No point test · Written explanation and reflection
- Interactions
- Choice buttons and drop-downs · Show a hint · Back / Next
- Feedback
- “Check my answer” per checkpoint, retries allowed
- Student asks for
- First name · Last initial · Teacher · Class period