# CCSS.4.NBT.B.4

addition, subtraction, standard algorithm; calculate, fluently compute.

System: US Common Core Math
Route: /math/standards/us-ccss/curratom-us-ccss-4-nbt-b-4
Skills: 1

## Skills and Examples

- [Multi Digit Add Sub Fluent](/math/skills/nbt/multi-digit-add-sub-fluent) — Whole-Number Operations and Fact Fluency