Knowledge atom
Compare the sizes of halves, thirds, and fourths of the same whole
Orders unit shares of one whole and explains why more shares means smaller shares.
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.G.A.3
Prerequisites
Common misconceptions
- orders by the number of parts, concluding a fourth is bigger than a third — the direct precursor to the grade 3 fraction comparison error
Required evidence
These evidence lanes define what would count toward this atom.
EvidencePerformanceStatusNext step
Tell it apartDistinguish the target from a near miss 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.