Unit
Decimals and Percents
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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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
To undo addition or subtraction, we use the opposite operation. With decimals, line up the decimals vertically, and add zeros to the shorter number until they are the same length. Then add or subtract vertically.
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