Knowledge atom

Interpret subtraction as taking from or taking apart

G1.OA.06Grade 1OperationsSource mission: Model Addition & Subtraction

Recognizes removal and decomposition situations as subtraction situations and explains what quantity is being taken away or separated.

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K.OA.A.1 1.OA.A.1

believes subtraction always requires physically removing objects rather than separating a whole into parts

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EvidencePerformanceStatusNext step

Recognize itIdentify the target across examples Not startedCollect one observation

Explain the ideaDescribe why the response works Not startedCollect one observation

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Recognize it

Recognizes removal and decomposition situations as subtraction situations and explains what quantity is being taken away or separated.

Estimated time: ~5 min