Ejemplos de
Common Core Math: Ratios & Proportions
In sixth and seventh grades, students extend their knowledge of fractions to include ratios and proportions. Students learn that while a fraction describes a relationship between a part and a whole, a ratio describes a relationship between parts. Students analyze and represent proportional relationships in a variety of ways: visually, verbally, numerically and algebraically. There are many opportunities to apply ratios and proportions in real-world contexts, including to convert between units of measurement and to compute unit rates. Students also work with percentages to compute interest, taxes, sale prices and tips.
Common Core Standards
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Compute with ratios and percents in various contexts.
Determine the unit rate associated with a ratio (CCSS.Math.Content.7.RP.A.1):
Represent changes in quantities with percents (CCSS.Math.Content.7.RP.A.3):
Determine prices and tips using percentages (CCSS.Math.Content.7.RP.A.3):
Define and compute with percents and ratios.