Algebra: Write and Solve Proportions

Middle-school math magicians solve nine problems where they are given a proportional equation and use cross products to find a missing term. They compare six sets of ratios, find the cross product and determine if there is a proportional relationship. Everyone solves one word problem where they write and solve a proportion.

5th - 9th Math 86 Views 508 Downloads
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Arithmetic & Pre-Algebra
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