# Mental multiplication and division (age 9+)

Multiply and divide numbers mentally drawing upon known facts, including related facts and place-value adjustments

Builds on: Mental multiplication and division (hard, https://ai.page/c/mental-multiplication-and-division/en.md)

Concept id: mental-multiplication-and-division-age-9. Subject: maths. Licence: CC BY-SA 4.0.

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