C Curriculum Explorer
Mathematics·Multiplication & Division·procedural

Unknown in Multiplication & Division

Determine the unknown whole number in a multiplication or division equation relating three whole numbers (e.g. 8 × ? = 48, ? × 6 = 42)

Suggested ages 8–9

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Learning journey

Your child is building fluency with multiplication and division — memorizing times tables up to 12×12, understanding the relationship between multiplication and division, and solving word problems involving equal groups and arrays.

Evidence of understanding

  • Find the missing factor in 7 × ? = 63
  • Find the missing dividend in ? ÷ 5 = 9
  • Explain the strategy used (e.g. using the related multiplication fact)

Assessment prompt

If Unknown in Multiplication & Division sees '8 × ? = 48' or '? ÷ 6 = 7' written on paper, can they figure out what number goes in the blank?

Standards alignment

3.OA.4US · ccss-math

Determine unknown whole numbers in multiplication and division equations

Common Core State Standards for Mathematics · 3