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←MathGrade 3Place Value

Knowledge atom

Fluently add within 1000

G3.NBT.04Grade 3Place ValueSource mission: Add Within 1,000

Adds three-digit numbers accurately and efficiently, with any needed regrouping.

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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

3.NBT.A.2

Prerequisites

Common misconceptions

  • drops a carried digit when two regroups happen in one sum

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
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

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Show the steps

Adds three-digit numbers accurately and efficiently, with any needed regrouping.

Estimated time: ~5 min

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