Knowledge atom
Count backward by ones within 1000
Says the reverse counting sequence from a given number under 1000, crossing decade and hundred boundaries.
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.NBT.A.2
Prerequisites
Common misconceptions
- loses the sequence while counting down through a hundred
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
Recent evidence
No evidence recorded yet
The first response record for this atom will appear here.