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←MathGrade 3Fluency

Knowledge atom

Multiply by nine

G3.FLU.09Grade 3FluencySource mission: Multiplication Fact Families

Recalls the nines facts, using the tens-minus-one-group relationship and the digit pattern.

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Progress & proof summary

LifecycleNot started
Evidence progress0 of 2 pieces collected
0%
Current predictionNo prediction yet
Why?
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Standards alignment

3.OA.C.7

Prerequisites

Common misconceptions

  • subtracts one instead of one whole group (70 − 1)

Required evidence

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i
EvidencePerformanceStatusNext step
Recall itRetrieve the idea without a cue Not startedCollect one observation
Explain the ideaDescribe why the response works Not startedCollect one observation

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Recall it

Recalls the nines facts, using the tens-minus-one-group relationship and the digit pattern.

Estimated time: ~5 min

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