# CCSS.1.NBT.C.6

subtraction, multiples of ten, place value; calculate, model, explain.

System: US Common Core Math
Route: /math/standards/us-ccss/curratom-us-ccss-1-nbt-c-6
Skills: 2

## Skills and Examples

- [Sub Two Digit No Regroup](/math/skills/nbt/sub-two-digit-no-regroup) — Whole-Number Operations and Fact Fluency
- [Multiples Basic](/math/skills/oa/multiples-basic) — Whole-Number Operations and Fact Fluency