Learn, Grow, Improve
MathGrade 1Measurement

Knowledge atom

Directly compare two objects by a linear dimension

G1.MD.01Grade 1MeasurementSource mission: Compare Lengths

Compares the length, height, or width of two objects by aligning the relevant endpoints and states which is longer, shorter, taller, or wider.

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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

K.MD.A.2 1.MD.A.1

Prerequisites

Common misconceptions

  • judges by which object sticks out farther without aligning the relevant endpoints
  • compares a different dimension from the one named

Required evidence

These evidence lanes define what would count toward this atom.

i
EvidencePerformanceStatusNext step
Show the stepsCarry out the procedure accurately Not startedCollect one observation
Explain the ideaDescribe why the response works Not startedCollect one observation

Recent evidence

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Show the steps

Compares the length, height, or width of two objects by aligning the relevant endpoints and states which is longer, shorter, taller, or wider.

Estimated time: ~5 min

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