Comparing and scaling math book
Comparing and Scaling - 7th Grade MathWe think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you! Published by Osborn Bates Modified over 4 years ago. How about for Royal Pizza? The graph for this relationship is shown below.
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Comparing and Scaling
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Ratios, proportions, rates, scaling ratios and rates, unit rate, constant rate of proportionality, solving proportions, percents, discounts, mark-ups. Significant Changes Due to the CCSSM introduction of ratio and rates in 6 th grade, the content of this unit has been combined into three investigation rather than 4. The internal motivation for change was a desire to more strongly connect to, and to more completely develop, the ideas and strategies initiated in CMP3 Stretching and Shrinking. In similar figures, internal ratios, such as length: width, and external ratios, such as side length X: corresponding side length Y, are constant. When students find a missing length in Stretching and Shrinking , they are solving a proportion; they may use a scale factor rather than set up a proportion, but the proportional reasoning is the same. By the end of CMP3 Stretching and Shrinking students will have a method of scaling a ratio up or down to find a missing quantity or by using equivalent ratios, which is an important strategy for solving any proportion. Learning to choose the scale factor efficiently, in similarity and other situations, is a refinement of this strategy.
Identifying Proportional Relationships with Graphs 4. Save my name, email, and website in this browser for the next time I comment. Notify me of followup comments via e-mail. Leave a Reply Cancel reply Your email address will not be published. I can calculate the unit rate for real life situations by breaking down the ratio fractions by dividing to solve the problem to find the relationship between two units.