This product can be a great help in teaching children place value.  The use of this system mandates that students attend to the 10-ness of place value and cap the 1’s and change them to the 10’s place when they have reached the number 10.  For beginning math students, this could be a very powerful tool to set them up on the path of understanding.

I can especially see how these could be very useful in teaching subtraction with regrouping.  As I was in a 2nd grade class recently, there were a few students who had a very difficult time understanding regrouping and the process of “borrowing” from the column to the left.  I tried to draw out the concept of taking a ten and giving it to the one’s but that was difficult.  I can see how this could be very useful as a visual and concrete model to assist in understanding with this concept.


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