Measure Labundergrad · Measurelab: Cover the Shape
  1. Conjecture
  2. Manipulate
  3. Measure
  4. Explain
  5. Generalize
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Math path

Measure Lab

StudentChoose a mission, make a prediction, test the model, then explain the evidence.
TeacherLook for misconception tags, evidence-step completion, and transfer-readiness signals.

MeasureLab

band 9-12 · mission — · seed —ruler · units
Missions
Invariant witness
Length is a count of equal units between two endpoints; a ruler number is a position, not a length.
0 events · chain 00000000

A ruler and a tiling bench

Objects on a ruler with endpoints printed. Length is the subtraction, never the right endpoint. Tiles count the gaps. Commit a prediction before every measurement.

Choose a mission to open its prediction gate.

PredictTestExplainReviseDefendTransfer0/6 evidence steps