Wednesday, February 26, 2014

Factor Trees

BatBoy and SpiderGirl have been playing with multiplication lately.  The Beast Academy workbook (3B) has many problems requiring the use of multiplication and BatBoy is learning a good portion of the lower tables just through use.  In the car one evening, he was talking to me about finding all the combinations that would give a product of 12 (I think) and so I offered to show him factor trees.  SpiderGirl immediately wanted to know all about it too.

When I was in school, factor trees looked like this: