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- Grade Range
- 6th - 8th
- Rating
Students define ratios and rates. They use video and the internet to explore how ratios and rates can be used in real-life situations. Full Review »
- Grade Range
- 5th - 8th
- Rating
Students investigate the use of multiplication and division of whole numbers to solve problems including equivalent ratios and rates. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students calculate the SA/V ratio and volume of phenophthalien agar that are cut into different shapes. They then let ammonia diffuse into the various pieces of agar and determine the effect that SA/V had on the rate of diffusion. Full Review »
- Grade Range
- 7th
- Rating
Students examine the relationship of fractions to decimals, percents, ratios, and proportions. They define key vocabulary terms, and observe the teacher model examples of each term. Students then independently solve ratio, proportions, and rates' problems and discuss the answers as a class. Full Review »
- Grade Range
- 7th
- Rating
Students compare and contrast distance, time, and rate problems using fractions, decimals, percents, ratios, and proportions. They define key vocabulary terms, observe the teacher model examples, and independently complete a worksheet. Full Review »
- Grade Range
- 7th
- Rating
Students describe and model the relationship of fractions to decimals, percents, ratios, and proportions. They explore how to solve distance, time, and rate problems using fractions, decimals, percents, ratios, and proportions. Full Review »
- Grade Range
- 8th
- Rating
Students solve problems involving ratios and proportions. They compare and contrast distance, time, and rate problems using fractions, decimals, percents, ratios, and proportions. Students manipulate ratios and proportions to solve problems. Full Review »
- Grade Range
- 9th
- Rating
Students solve a variety of distance, time, and rate problems using fractions, decimals, percents, ratios, and proportions. They define key vocabulary terms, observe the teacher modeling how to solve different problems, and independently complete a worksheet. Full Review »
- Grade Range
- 9th
- Rating
Students solve distance, time, and rate problems using fractions, decimals, percents, ratios, and proportions. They define key vocabulary terms, observe the teacher model a variety of examples, and independently solve ratio, proportion, and rate problems. Full Review »
- Grade Range
- 7th - 9th
- Rating
Students explore the meaning of ratios and proportions. After exploring different methods of writing ratios, students identify ratios in real life problems. They explore how to set up a proportion and solve problems using cross products. Students solve proportions involving variables, and determine if two ratios are equal. Full Review »
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