Multiply Forgeundergrad · Multiplyforge: Build the Array
  1. Conjecture
  2. Manipulate
  3. Measure
  4. Explain
  5. Generalize
Ready

Math path

Multiply Forge

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

MultiplyForge

band 9-12 · mission — · seed —array · scaler
Missions
Invariant witness
a x b is the count of an a by b array; turning changes the view, never the count.
0 events · chain 00000000

An array grid and a scaler bench

Tile arrays built rows by columns with the count printed. A scaler stretches or shrinks a base bar by a factor k. Commit a prediction before every count.

Choose a mission to open its prediction gate.

PredictTestExplainReviseDefendTransfer0/5 evidence steps