Main content
Early math review
Course: Early math review > Unit 6
Lesson 4: Strategies for adding 2- and 3-digit numbers- Breaking apart 3-digit addition problems
- Break apart 3-digit addition problems
- Solving 3-digit addition in your head
- Addition using groups of 10 and 100
- Add using groups of 10 and 100
- Adding and subtracting on number line
- Add on a number line
- Select strategies for adding within 1000
© 2023 Khan AcademyTerms of usePrivacy PolicyCookie Notice