Math Dorito Man
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"Math Dorito" refers to several teaching strategies and visual aids used in mathematics.
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Model information
- Source
- Printables
- Category
- Math
- License
- GNU General Public License v3.0
The "Math Dorito Man" is a visual and mnemonic device used to help students remember the rules for multiplying and dividing positive and negative integers. The tool is a simple triangle with a plus sign at the top and two minus signs at the bottom corners, resembling a stylized Dorito chip.
To use the "Math Dorito Man," first visualize a triangle with a plus sign at the top and two minus signs at the bottom. To solve a multiplication or division problem with integers, simply cover the two signs of the numbers in your problem. The sign that remains uncovered in the triangle is the sign of your answer.
Base is 3mm in height and the positive and negative symbols are 2mm in height. With that you can do your color change at 3mm for symbols to stand out. I made mine out PETG since a bunch of kids were going to get these to avoid warping or breaking easily.