Image: Multiplication as scaling integers
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Multiplication_as_scaling_integers.gif (400 × 200 pixels, file size: 26 KB, MIME type: image/gif, looped, 43 frames, 14 s)
Description: Multiplication is often taught as repeated addition. A more accurate representation is to think of it as scaling quantities. This animation illustrates this. Notice that the blue dot in the blue segment of length 3 is placed at position 1, and the blue segment is scaled so that this dot is placed at the end of the red segment, of length 2. For multiplication by any X, the blue dot will always start at 1 and end at X. This works even for X smaller than 1, or negative.
Title: Multiplication as scaling integers
Credit: Own work
Author: Kieff
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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