required (hard)helpful (soft)MasteredLearningNeeds workNot startedLocked
TargetTime conceptsG3Not started
Measurement using standard units (linear, mass, capacity)G3Not started
Multiple attributes of 2D shapes and 3D objectsG2Not started
Direct linear measurement with standard metric unitsG2Not started
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Demo student's progress · learn the items on the left, then this · hover a card to trace its chain · click a lessoned card to open it