Knowledge atom
Compare numbers presented as models or expanded forms
Compares two-digit quantities when they are shown as base-ten models or expanded forms rather than as numerals.
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.NBT.B.3
Prerequisites
Common misconceptions
- compares the number of blocks rather than their value
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
Tell it apartDistinguish the target from a near miss Not startedCollect one observation
Recent evidence
No evidence recorded yet
The first response record for this atom will appear here.