Knowledge atom
Relate rows and columns in an array to the same total
Recognizes that adding by rows and adding by columns give the same total for the same array.
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
2.OA.C.4
Prerequisites
Common misconceptions
- believes rotating the array changes the total
Required evidence
These evidence lanes define what would count toward this atom.
EvidencePerformanceStatusNext step
Explain the ideaDescribe why the response works Not startedCollect one observation
Represent itShow the idea with a model or notation Not startedCollect one observation
Recent evidence
No evidence recorded yet
The first response record for this atom will appear here.