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ratios and proportions

  • Introduction to Unit Cost (Unit Rate)

    Introduction to Unit Cost (Unit Rate)

    Unit rate (e.g., hamburger meat on sale for $2.39 per pound or you make $13 per hour) is an incredibly important topic in middle and high school. First, unit rates and unit costs are common in life. Second, in the Common Core State Standards math categories you can see that Ratios and Proportions (which includes…

  • Introduction to Unit Rate using Unit Cost

    Introduction to Unit Rate using Unit Cost

    Unit rate is an important topic in middle and high school. Unit cost (e.g., hamburger meat on sale for $2.39 per pound or you make $13 per hour) is an example of unit rate. This post shows how to use unit cost as an effective entry point to learning unit rates. Significance First, unit rates…