In this video tutorial from Khan Academy, learn how to subtract in situations that require regrouping twice using the expanded forms of numbers, as well as the standard algorithm.

**Subject(s):**Mathematics

**Grade Level(s):**3, 4

**Suggested Technology:**Computers for Students, Internet Connection, Speakers/Headphones

**Keywords:**subtraction, regrouping, regroup, khan academy

**Instructional Component Type(s):**

**Tutorial**

**Resource Collection:**Elementary Math specific existing tutorials