Video

Unknowns with multiplication and division (Full video)

Khan Academy

Supporting grades: 3

Description: Sal finds the missing number in multiplication and division equations. Created by Sal Khan. What I want you to do, is pause the video right now and try to figure out what that unknown is. This says three times something is equal to 12. So, let's think about what we have to multiply by three to get to 12.

You must log inorsign upif you want to:*

*Teacher Advisor is 100% free.