Ratio Rateundergrad · Ratiorate: Ratio Introduction
  1. Conjecture
  2. Manipulate
  3. Measure
  4. Explain
  5. Generalize
Ready

Math path

Ratio Rate

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

RatioRate

band 6-8 · mission — · seed —mixing bench \u00b7 number line \u00b7 the ray
Missions
Invariant witness
base recipe—
red fraction f—
eye toleranceΔf 0.015
One multiplier carries the whole recipe. The swatch cannot lie.
0 events · chain 00000000

Two paints, one rule

Red parts and white parts make a shade, and the shade keeps the recipe's secret: the fraction of red. Commit a prediction before every mix. The bench prints the parts and f beside every swatch, so color never has to be taken on faith.

Choose a mission to open its prediction gate.

PredictTestExplainReviseDefendTransfer0/6 evidence steps