Teaching Subtraction

Yesterday, I wrote about subtraction and how it is harder for children than addition since counting backward is not as common as counting forward.  I found this interesting lesson on this interesting website called Illuminations which is a website dedicated to teaching mathematics.  Everything on the site connects to the Common Core, the NCTM Standards, and is broken down by age groups.

This lesson is pretty interesting.  It is about “counting back.”  It says that it is for Prek-2nd, but I think it is pretty complex for most 4 year olds.  You might have some children who would benefit from a lesson like this.  Check it out.

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