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# 6th grade math ratios 1

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### 6th grade math ratios 1

1. 1. th 6 Grade Math Ratios Jessica Corriere & Robert Richards
2. 2. This PowerPoint is a th sample of the book, 6 Grade Math
3. 3. Demi has 6 erasers and 9 pencils. There is a ratio of erasers to pencils. Which of the answers below is correct? A. B. C. D. 2:1 2:3 3:1 6:3
4. 4. How to solve, The problem is asking for the ratio of erasers to pencils. That can also be written as erasers per pencil or erasers : pencil or erasers/pencil, or erasers per pencil. The answer choices show the numbers with the : sign in between, 6:9 is not one of the choices. The first number, 6, is smaller than the second number, 9. All the choices that have the first number as being the larger than the second number are incorrect. The only choice that has the first number being smaller than the second number is choice b, but the numbers are not 6 and 9. Both the 6 and the 9 may be divided by 3. After dividing both 6 and 9 by three you are left with 2 and 3. Choice b has 2:3 as the answer, that is the correct choice
5. 5. Common Core Standard 6th Grade 6.RP.1 Understand the concept of a ratio and use ratio language to describe a ratio relationship between two quantities. For example, “The ratio of wings to beaks in the bird house at the zoo was 2:1, because for every 2 wings there was 1 beak.” “For every vote candidate A received, candidate C received nearly three votes.”