# CCSS.1.NBT.B.3

place value, comparison, two digit numbers; compare, justify, write.

System: US Common Core Math
Route: /math/standards/us-ccss/curratom-us-ccss-1-nbt-b-3
Skills: 1

## Skills and Examples

- [Place Value Tens Ones](/math/skills/nbt/place-value-tens-ones) — Base-Ten Place Value and Whole-Number Notation