Knowledge atom
Measure a length by iterating units with no gaps or overlaps
Lays same-size units end to end along an object, starting at one end, without gaps or overlaps.
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.MD.A.2
Prerequisites
Common misconceptions
- starts the first unit past the object's end
- leaves gaps between units and still reports the count
Required evidence
These evidence lanes define what would count toward this atom.
EvidencePerformanceStatusNext step
Show the stepsCarry out the procedure accurately 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.