Exponent Labundergrad · Exponentlab: Repeated Multiplication
  1. Conjecture
  2. Manipulate
  3. Measure
  4. Explain
  5. Generalize
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Exponent 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.

ExponentLab

band 3-5 · mission —the factor rack · the halving ladder · the square split
Choose a mission
Invariant witness
base2
exponent (factor count)4
product16
An exponent counts how many times the base appears as a factor; it never multiplies the base.
0 events

A factor rack and a halving ladder

Each chip is one factor. The rack counts chips and prints the product. Joining two racks concatenates the chips. The ladder divides by the base each rung down. Commit a prediction before every count.

Choose a mission to open its prediction gate.

PredictTestExplainReviseDefendTransfer0/5 evidence steps