Multiplication Is Really Just Scaling (And Why Negatives Flip the Number Line)
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YouTubepolymathematic
Multiplication Is Really Just Scaling (And Why Negatives Flip the Number Line)
What if multiplication isn't really about repeated addition at all, but about stretching, compressing, and even flipping the entire number line? Check out the channel! @polymathematic Most of us first meet multiplication as repeated addition: 3 times 4 is just four groups of three. That works fine until you try to multiply by a fraction, or by ...
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