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Knowledge atom

Create an equivalent but easier sum by compensation

G1.FLU.19Grade 1FluencySource mission: Flexible Addition & Mental Strategies

Adjusts both addends in compensating directions to make an easier problem with the same total.

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Progress & proof summary

LifecycleNot started
Evidence progress0 of 2 pieces collected
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Current predictionNo prediction yet
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Mastery projection: Not available yetWhat does this mean?

Standards alignment

1.OA.C.6 1.OA.IA.C.2

Prerequisites

Common misconceptions

  • adjusts one addend up without adjusting the other down, changing the total

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

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Adjusts both addends in compensating directions to make an easier problem with the same total.

Estimated time: ~5 min

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