Learn, Grow, Improve
MathGrade 2Measurement

Knowledge atom

Estimate lengths in centimeters and meters

G2.MD.07Grade 2MeasurementSource mission: Units & Estimation

Gives a reasonable estimate of an object's length in metric units before measuring.

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Progress & 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.MD.A.3

Prerequisites

Common misconceptions

  • has no physical benchmark for a centimeter or a meter
  • uses inch and foot benchmarks for metric estimates, producing systematic errors

Required evidence

These evidence lanes define what would count toward this atom.

i
EvidencePerformanceStatusNext step
Apply the ideaUse the idea in a new situation Not startedCollect one observation

Recent evidence

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Apply the idea

Gives a reasonable estimate of an object's length in metric units before measuring.

Estimated time: ~5 min

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