Alissa Fong

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

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Estimating Percents - Problem 2

Alissa Fong
Alissa Fong

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

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To find 1% of a number, we move the decimal spot two places left. To find ten percent, we move the decimal one spot left. We can find 50% by cutting the number in half. Using this idea, we can find other percents and combine them to find any percent we want to without a proportion and without a calculator.

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