MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
Some students like to learn math when they can touch something concrete rather than work with a seemingly abstract idea, like negative numbers. These students might like to use colored tiles or chips to represent negative and positive numbers: choose one color to represent positive, and the other for negative. The key idea is that one negative and one positive "cancel each other out," or create a zero. We can use these pairs of positive and negative chips to help us understand adding and subtracting positive and negative numbers.
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