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Unit 2

6.RP Ratios and Proportional Relationships

  • 6.RP.A Understand ratio concepts and use ratio reasoning to solve problems.

    • 6.RP.A.1 Understand the concept of a ratio and use ratio language to describe a ratio relationship between two quantities.

    • 6.RP.A.2 Understand the concept of a unit rate a/b associated with a ratio a:b with b is not equal to 0, and use rate language in the context of a ratio relationship.

    • 6.RP.A.3 Use ratio and rate reasoning to solve real-world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

      • 6.RP.A.3a 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.

      • 6.RP.A.3b Solve unit rate problems including those involving unit pricing and constant speed.

      • 6.RP.A.3c Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the whole, given a part and the percent.

      • 6.RP.A.3d Use ratio reasoning to convert measurement units; manipulate and transform units appropriately when multiplying or dividing quantities.