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Lesson Plan
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\n\"Investigation\n\n
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\nCurated OER\n
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\nInvestigation - The Local Bagel Shop\n

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\n\nFor Teachers\n\n6th\n
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\nSixth graders investigate unit pricing to find which cup of coffee is a better buy. They use ratio and proportions to solve problems involving a change of scale in drawings, maps, recipes, etc. Students determine the unit cost of items...\n
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Lesson Plan
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\n\"Art\n\n
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\nIllustrative Mathematics\n
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\nArt Class, Assessment Variation\n

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\n\nFor Teachers\n\n7th - 9th\n\nStandards\n
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\nPlay with paint and decide the ratio to make different shades of green. When mixing paint colors, your painters should decide which ratios make the same shade and what is needed to mix other ratios for a different shade of green. This is...\n
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Instructional Video4:24
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\n\"Ratio\n\n
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\nKrista King Math\n
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\nRatio and Proportion for Chemical Compounds\n

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\n\nFor Students\n\n3rd - 7th\n\nStandards\n
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\nExplore the strong connection between mathematics and science. Learners see how to use proportions to determine the makeup of chemical compounds. The example shown finds the number of grams of oxygen in a given amount of water.\n
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Lesson Plan
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\n\"Buying\n\n
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\nIllustrative Mathematics\n
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\nBuying Bananas, Assessment Version\n

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\n\nFor Teachers\n\n7th - 9th\n\nStandards\n
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\nPractice with unit rates, proportions, and ratios when Carlos purchases an amount of bananas. Learners must interpret a graph to decide whether points on the same line represent similar proportional relationships. Use with lesson plans...\n
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Assessment
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\n\"Egyptian\n\n
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\nBalanced Assessment\n
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\nEgyptian Statue\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nInvestigate the proportional relationships of length, area, and volume. Learners use the dimensions of rectangular prisms to create ratios and proportions. They compare the different ratios to solve more advanced problems.\n
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Instructional Video4:45
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\n\"Complex\n\n
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\nKrista King Math\n
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\nComplex Fractions, Ratio and Proportion\n

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\n\nFor Students\n\n9th - 12th\n
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\nShow the class two methods to solve proportions of fractions. The instructor shows that complex proportions can be solved by the normal method of cross-multiplying. It also shows another method where the complex fractions are simplified...\n
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Instructional Video5:00
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\n\"Ratio\n\n
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\nKrista King Math\n
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\nRatio and Proportion, Word problems\n

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\n\nFor Students\n\n3rd - 7th\n\nStandards\n
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\nCombine several mathematics concepts as classes solve linear systems. After writing a system of equations involving a proportion, learners then solve the system. A video instructor uses the substitution method and must work...\n
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Activity
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\n\"Binder\n\n
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\n101 Questions\n
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\nBinder Clips: Large, Medium, Small\n

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\n\nFor Teachers\n\n4th - 8th\n\nStandards\n
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\nEver wondered how many pieces of paper a binder clip can hold? Viewers of a short video are about to find out! Given measurement data for three different sized binder clips, learners must develop a method for figuring out how many pieces...\n
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Worksheet
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\n\"Ratio\n\n
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\nCurated OER\n
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\nRatio and Proportion 2\n

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\n\nFor Students\n\n5th - 6th\n
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\nFor this ratio worksheet, learners analyze the number of orders taken for different foods in a cafe. Students solve 8 ratio and proportion problems using the numbers in the data table. There are detailed examples on the page.\n
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Worksheet
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\n\"Ratio\n\n
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\nCurated OER\n
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\nRatio and Proportion: Write and Interpret\n

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\n\nFor Students\n\n8th - 10th\n
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\nFor this ratio and proportion worksheet, students explore example problems. Afterwards, they read story problems and use ratios and proportions to find the solution. This three-page worksheet contains six multi-step problems,\n
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Lesson Plan
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\n\"Ratios\n\n
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\nCurated OER\n
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\nRatios and Proportions\n

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\n\nFor Teachers\n\n4th - 6th\n
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\nIn this ratios and proportions worksheet, students complete a series of short answer questions based on different charts and word problems dealing with ratios and proportions. Students complete 9 problems.\n
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Lesson Plan
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\n\"Ratio\n\n
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\nCurated OER\n
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\nRatio and Proportion\n

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\n\nFor Teachers\n\n4th - 6th\n
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\nStudents explore ratios and proportions. In this ratios lesson, students work in groups to identify the ratio of boys to girls, as well as the ratio of vowels to consonants in their names. Given a bag of candy, students work in groups to...\n
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Worksheet
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\n\"Ratio\n\n
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\nCurated OER\n
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\nRatio and Proportion Word Problems\n

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\n\nFor Students\n\n8th\n
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\nIn this ratio and proportion worksheet, 8th graders solve 10 different word problems that include determining the ratio and probability of events described. First, they determine the ratio of hawks to crows in a cornfield. Then, students...\n
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Lesson Plan
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\n\"The\n\n
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\nCurated OER\n
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\nThe Golden Ratio\n

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\n\nFor Teachers\n\n9th - 11th\n
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\nStudents solve problems using ratios and proportions. In this algebra instructional activity, students verify proportions, solve for the unknown and use real life scenario to model proportion.\n
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Lesson Plan
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\n\"Using\n\n
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\nCurated OER\n
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\nUsing Ratios to Taste the Rainbow\n

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\n\nFor Teachers\n\n9th - 11th\n
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\nStudents solve problems using ratios and proportion. In this algebra lesson, students analyze skittles and their different colors as they apply the properties of ratios and proportions to solve their problems.\n
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Lesson Plan
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\n\"Mixing\n\n
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\nCurated OER\n
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\nMixing Up Ratios\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nYoung scholars solve problems of ratio and proportions using hands on. In this algebra lesson, students vary the concentration of a fruit drink using parts of a ratio.\n
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Lesson Plan
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\n\"Scale\n\n
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\nCurated OER\n
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\nScale Drawing\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nStudents use ratio and proportions to solve problems. In this geometry lesson, students apply ratio and proportions to real life scenarios.\n
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Lesson Plan
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\n\"Ratio\n\n
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\nCentre for Innovation in Mathematics Teaching\n
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\nRatio and Proportion\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nMiddle schoolers review the definition and rules for equivalent fractions. Additionally, they are introduced to equivalent ratios. They write examples of ratios from the board, and they come to the board to write the correct equivalent...\n
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Workbook
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\n\"Ch\n\n
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\nUtah Education Network (UEN)\n
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\nCh 4: Ratio and Proportion\n

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\n\nFor Students\n\n7th\n\nStandards\n
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\nWhat proportion of learners will benefit from the lessons on proportional reasoning? Class members learn about proportional relationships, from unit rates to writing equations for proportional relationships. Then, they learn to use...\n
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Lesson Plan
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\n\"Ratios\n\n
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\nWillow Tree\n
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\nRatios and Proportions with Congruent and Similar Polygons\n

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\n\nFor Students\n\n8th - 11th\n\nStandards\n
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\nInvestigate how similar and congruent figures compare. Learners understand congruent figures have congruent sides and angles, but similar figures only have congruent angles — their sides are proportional. After learning the...\n
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Interactive
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\n\"My\n\n
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\nCurated OER\n
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\nMy Test Book: Ratios and Proportions\n

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\n\nFor Students\n\n5th - 6th\n
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\nIn this online interactive math skills worksheet, learners solve 10 multiple choice math problems regarding ratios and proportions. Students may view the correct answers.\n
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Interactive
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\n\"Ten\n\n
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\nCurated OER\n
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\nTen Multiple-Choice Rate, Ratio, and Proportion Problems\n

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\n\nFor Students\n\n7th\n
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\nIn this rate, ratio, and proportion instructional activity, 7th graders solve ten multiple-choice problems.  The solutions are provided by clicking on the \"show answers\" on the bottom of the page.\n
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Lesson Plan
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\n\"Learning\n\n
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\nCurated OER\n
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\nLearning Ratios and Proportions Through Scale Drawings\n

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\n\nFor Teachers\n\n7th - 9th\n
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\nMiddle and high schoolers explore the concept of scale drawings. They discuss what a scale is and that scales provide a ratio. Pupils construct a scale drawing of their classroom using graph paper.\n
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Worksheet
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\n\"Ratio\n\n
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\nCurated OER\n
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\nRatio and Proportion Problems\n

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\n\nFor Students\n\n1st - 2nd\n
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\nWhat is ratio? What is proportion? Two examples are shown before your pupils are given seven problems using either ratio or proportion. Consider having your learners illustrate a selection of the problems provided. \n
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