Learn, Grow, Improve
MathGrade 1Measurement

Knowledge atom

Understand length as a count of same-size units

G1.MD.04Grade 1MeasurementSource mission: Measure Length

Understands a length measurement as the number of identical units fitting end to end.

Start practice

Progress & 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

Required evidence

These evidence lanes define what would count toward this atom.

i
EvidencePerformanceStatusNext step
Explain the ideaDescribe why the response works 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.

Recommended next step

Start a short practice

Use one focused task to begin collecting evidence for this atom.

Explain the idea

Understands a length measurement as the number of identical units fitting end to end.

Estimated time: ~5 min

Start this practice