Knowledge atom
Recall the combinations that make ten
Instantly produces the partner that completes ten for any number 0-10, in both directions.
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
1.OA.C.6
Prerequisites
Common misconceptions
- knows the partners in one direction only (7→3 but not 3→7)
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
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.