Knowledge atom
Recall ten-partners and doubles as anchor facts
Retrieves the combinations that make ten and the doubles to 20 instantly, as anchors for derived computation.
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.B.2
Prerequisites
Common misconceptions
No common misconceptions have been recorded yet.
Required evidence
These evidence lanes define what would count toward this atom.
EvidencePerformanceStatusNext step
Recall itRetrieve the idea without a cue 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.