I’ve discovered many ways of teaching math through the years and the most interesting one was the addition of numbers with opposite signs. I learned this from a teacher who said that he never understood the rules – so he made up his own method.
He “breaks” the bigger number into two pieces so it can be cancelled. Here it is:
What do you think? Can you teach it this way? Share your thoughts in the comments.
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Isn’t that how everyone does it? That’s certainly how I’ve always done it in my head!
I love it when I hear things like that, Siggi!
My best friend never realized she was multiplying in her head with the distributive property until I told her about it. “Isn’t that how everyone does it?” she said!
Thanks for the comment!