October 15

Math Strategies

How do you subtract 2 and 3-digit numbers? For this week’s blog challenge we thought we’d share our math thinking on how we subtract numbers. Just check out all the ways we use our math skills. We are using strategies like: make an easier problem or as we call it “monkey see, monkey do”; the traditional algorithm or as we call it “the mom and dad way”; and adding to subtract or as we call it “Megan’s way” because she invented it.

So how do you subtract numbers?

Try our slideshow maker at Animoto.