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Exploring Percent with Double Number Lines

Percent Double Number Lines - Polypad Pointer Video

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AuthorDavid Poras

Target Grades6 – 7

TagsArithmetic, Number Theory, Teaching Idea, Video

Common Core Standards6.RP.A.3Use ratio and rate reasoning to solve real-world and mathematical problems, for example by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations. (a) Make tables of equivalent ratios relating quantities with whole- number measurements, find missing values in the tables, and plot the pairs of values on the coordinate plane. Use tables to compare ratios. (b) Solve unit rate problems including those involving unit pricing and constant speed. (c) Find a percent of a quantity as a rate per 100. Solve problems involving finding the whole, given a part and the percent. (d) Use ratio reasoning to convert measurement units. Manipulate and transform units appropriately when multiplying or dividing quantities. • 7.RP.A.3Use proportional relationships to solve multistep ratio and percent problems.