Knowledge atom
Use tiling to show the distributive property
Decomposes a rectangle into two smaller rectangles and shows the areas sum to the whole.
Start practiceProgress & proof summary
LifecycleNot started
Evidence progress0 of 2 pieces collected
0%Current predictionNo prediction yet
Why?Next reviewNot scheduled
Mastery projection: Not available yetWhat does this mean?
Standards alignment
3.MD.C.7c
Prerequisites
Common misconceptions
- splits both dimensions at once and loses two of the four resulting pieces
Required evidence
These evidence lanes define what would count toward this atom.
EvidencePerformanceStatusNext step
Represent itShow the idea with a model or notation Not startedCollect one observation
Explain the ideaDescribe why the response works Not startedCollect one observation
Recent evidence
No evidence recorded yet
The first response record for this atom will appear here.