Rates, Ratios, and ProportionsThe content Rates, Ratios, and ProportionsStandards Essential QuestionHow can you use units to understand problems and guide the solution of proportions?Objectives Write and use ratios, rates, and unit rates.Write and solve proportions.Vocabulary ratio proportion rate cross products scale scale drawingunit rate scale modelconversion dimensional factor analysisVocabulary similar corresponding sides corresponding anglesindirect measurementscale factorA ratio is a comp