# CCSS.3.NBT.A.1

calculate, explain; rounding, place value, nearest ten, nearest hundred.

System: US Common Core Math
Route: /math/standards/us-ccss/curratom-us-ccss-3-nbt-a-1
Skills: 2

## Skills and Examples

- [Round to Nearest 10](/math/skills/nbt/round-to-nearest-10) — Base-Ten Place Value and Whole-Number Notation
- [Round to Nearest 100](/math/skills/nbt/round-to-nearest-100) — Base-Ten Place Value and Whole-Number Notation