Knowledge atom
Explain an arithmetic pattern using properties of operations
Justifies why an observed pattern must hold, referring to the structure of the operation.
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
3.OA.D.9
Prerequisites
Common misconceptions
- restates the pattern as its own explanation ('it is even because all of them are even')
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
Recent evidence
No evidence recorded yet
The first response record for this atom will appear here.
