# CCSS.3.NF.A.1

Understand a fraction 1/b as one part when a whole is partitioned into b equal parts.

System: US Common Core Math
Route: /math/standards/us-ccss/3-nf-a-1
Skills: 1

## AXIO Skills and Examples

- [Fractions of a set](/math/skills/frac/fraction-of-set-basic) — Fractions as Parts, Wholes, and Fair Shares