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MathGrade 3Operations

Knowledge atom

Explain an arithmetic pattern using properties of operations

G3.OA.22Grade 3OperationsSource mission: Patterns & Rules

Justifies why an observed pattern must hold, referring to the structure of the operation.

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Standards alignment

3.OA.D.9

Prerequisites

Common misconceptions

  • restates the pattern as its own explanation ('it is even because all of them are even')

Required evidence

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i
EvidencePerformanceStatusNext step
Explain the ideaDescribe why the response works Not startedCollect one observation

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Explain the idea

Justifies why an observed pattern must hold, referring to the structure of the operation.

Estimated time: ~5 min

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