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←MathGrade 1Place Value

Knowledge atom

Decompose a teen number into a ten and ones

G1.NBT.03Grade 1Place ValueSource mission: Tens & Teen Numbers

Decomposes a teen number into one ten and additional ones using objects, a drawing, or an equation and identifies each part.

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Progress & proof summary

LifecycleNot started
Evidence progress0 of 3 pieces collected
0%
Current predictionNo prediction yet
Why?
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Mastery projection: Not available yetWhat does this mean?

Standards alignment

K.NBT.A.1 1.NBT.B.2b

Prerequisites

Common misconceptions

  • says the 1 in 14 means 'one'

Required evidence

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i
EvidencePerformanceStatusNext step
Show the stepsCarry out the procedure accurately Not startedCollect one observation
Represent itShow the idea with a model or notation Not startedCollect one observation
Tell it apartDistinguish the target from a near miss Not startedCollect one observation

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Show the steps

Decomposes a teen number into one ten and additional ones using objects, a drawing, or an equation and identifies each part.

Estimated time: ~5 min

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