# CCSS.3.OA.A.4

unknowns, multiplication, division, equations; solve, calculate.

System: US Common Core Math
Route: /math/standards/us-ccss/curratom-us-ccss-3-oa-a-4
Skills: 4

## Skills and Examples

- [Divide Relate to Multiplication](/math/skills/oa/divide-relate-to-multiplication) — Whole-Number Operations and Fact Fluency
- [Equations Unknown Mult Div](/math/skills/oa/equations-unknown-mult-div) — Equations, Variables, Expressions, and Inequalities
- [Fact Families Multiply Divide](/math/skills/oa/fact-families-multiply-divide) — Whole-Number Operations and Fact Fluency
- [Variable As Unknown](/math/skills/prealg/variable-as-unknown) — Equations, Variables, Expressions, and Inequalities