Thursday, September 22, 2011

Walking through the Subtraction Process

Do you get confused when subtracting integers? If you do, you may want to try this too:

Mrs. Kridler’s class has been working on subtraction of integers. Last week, the class headed outside to use giant number lines to literally walk through the subtraction process. Here are some of our students demonstrating the following problems:


(2) - (0) =


(-3) - (-7) =


(2) - (8) =


(6) - (-5) =


(-4) - (-5) =





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2 comments:

  1. I think that the video was really cool

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  2. What a great idea! Walking these problems through must have made much more sense than just doing it on paper. It looks as though it was a lovely sunny day too - bonus!

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