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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