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Thursday, September 5, 2013

Subtracting\jumping the number line.



Today I have been subtracting in parts and jumping the number line.

1 comment:

  1. I thought that your presentation about subtraction was very informative. I am currently taking a math class at the University of South Alabama where we are learning how to teach math to elementary school children. This method of jumping the number line is something that I have never seen. I can't wait to share this method to my math teacher and one day to my students! Thank you for showing this to me and continue the excellent work!

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