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←MathGrade 3Place Value

Knowledge atom

Fluently subtract within 1000

G3.NBT.05Grade 3Place ValueSource mission: Subtract Within 1,000

Subtracts three-digit numbers accurately and efficiently, including across zeros.

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Progress & proof summary

LifecycleNot started
Evidence progress0 of 2 pieces collected
0%
Current predictionNo prediction yet
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Standards alignment

3.NBT.A.2

Prerequisites

Common misconceptions

  • accurate on regrouping problems but breaks down when the minuend contains zeros

Required evidence

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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

Subtracts three-digit numbers accurately and efficiently, including across zeros.

Estimated time: ~5 min

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