Common Core · Grade 3
3.NBT.A.2
Grade 3 — Fluently add and subtract within 1000 using strategies based on place value.
The skill that covers it
What a student should be able to do
- Recall addition facts within 20 automatically.
- Add multi-digit numbers using place value and regrouping.
- Add three or more numbers by looking for friendly pairs that make ten.
- Choose addition to solve "how many altogether" word problems.