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Best practices/analogies for teaching signed numbers

I saw a post using "bad people" as negative numbers as an analogy for -(-16)=+16: "If bad things happen to bad people it's a good thing." I don't like bad things to happen to anyone. An analogy I use is "taking away a negative". If you are sick and go to the doctors, an...
by Joe Callahan
on Wed Aug 12, 2009 7:35 pm
 
Forum: Pre-Algebra
Topic: Best practices/analogies for teaching signed numbers
Replies: 1
Views: 1544

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