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In this workshop session, elementary and middle school teachers work with an area model for multiplication and division with fractions and examine operations with decimals. They also explore percents and the relationships among various representations of percentages. Finally, they consider Fibonacci numbers and the place of the golden rectangle as an architectural element throughout history. These ideas are investigated through interactive applets, problem sets, and video. This is session 9 of Learning Math: Number and Operations, a free online course.
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