Knowledge atom
Write an equation expressing an array as a sum of equal addends
Records the total of a rectangular array as a repeated-addition equation.
Start practiceProgress & proof summary
LifecycleNot started
Evidence progress0 of 1 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
- adds the array dimensions instead of representing its rows
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
Recent evidence
No evidence recorded yet
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