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PROPORTION

elton avatar
elton
33 diapositives · 730 Views · Sep 29, 2014

PROPORTION. PROPORTION. A proportion is a comparison between two ratios or fractions. PROPORTION. A proportion is a comparison between two ratios or fractions. PROPORTION. A proportion is a comparison between two ratios or fractions. Multiplied both numerator & denominator by “4”.

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PROPORTION
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  1. PROPORTION

  2. PROPORTION A proportion is a comparison between two ratios or fractions.

  3. PROPORTION A proportion is a comparison between two ratios or fractions.

  4. PROPORTION A proportion is a comparison between two ratios or fractions. Multiplied both numerator & denominator by “4” As you can see, you can either multiply by the same factor…

  5. PROPORTION A proportion is a comparison between two ratios or fractions. Divided both numerator & denominator by “4” As you can see, you can either multiply by the same factor… Or divide by the same factor…

  6. PROPORTION So when a piece of the proportion is missing, you can easily solve for the missing piece by either multiplying or dividing by the same factor.

  7. PROPORTION So when a piece of the proportion is missing, you can easily solve for the missing piece by either multiplying or dividing by the same factor. EXAMPLE : Complete the proportion

  8. PROPORTION So when a piece of the proportion is missing, you can easily solve for the missing piece by either multiplying or dividing by the same factor. EXAMPLE : Complete the proportion What would you multiply 4 by to get 20 ?

  9. PROPORTION So when a piece of the proportion is missing, you can easily solve for the missing piece by either multiplying or dividing by the same factor. EXAMPLE : Complete the proportion What would you multiply 4 by to get 20 ? Correct, 5

  10. PROPORTION So when a piece of the proportion is missing, you can easily solve for the missing piece by either multiplying or dividing by the same factor. EXAMPLE : Complete the proportion What would you multiply 4 by to get 20 ? So if we multiply the denominator by 5…

  11. PROPORTION So when a piece of the proportion is missing, you can easily solve for the missing piece by either multiplying or dividing by the same factor. EXAMPLE : Complete the proportion What would you multiply 4 by to get 20 ? So if we multiply the denominator by 5… We multiply the numerator by 5 …

  12. PROPORTION So when a piece of the proportion is missing, you can easily solve for the missing piece by either multiplying or dividing by the same factor. EXAMPLE : Complete the proportion What would you multiply 4 by to get 20 ? So if we multiply the denominator by 5… We multiply the numerator by 5 … And complete the proportion

  13. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion

  14. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion For example :

  15. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion For example : In these cases follow these steps…

  16. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion For example : In these cases follow these steps… 1. Find your unknown

  17. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion For example : • In these cases follow these steps… • Find your unknown • Starting with the unknown’s partner

  18. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion For example : • In these cases follow these steps… • Find your unknown • Starting with the unknown’s partner • Go around the problem

  19. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion For example : • In these cases follow these steps… • Find your unknown • Starting with the unknown’s partner • Go around the problem • Divide

  20. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion For example : • In these cases follow these steps… • Find your unknown • Starting with the unknown’s partner • Go around the problem • Divide • Then multiply

  21. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion For example : • In these cases follow these steps… • Find your unknown • Starting with the unknown’s partner • Go around the problem • Divide • Then multiply • Get your answer

  22. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion EXAMPLE # 2 :

  23. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion EXAMPLE # 2 : • Find your unknown • Starting with the unknown’s partner • Go around the problem • Divide • Then multiply • Get your answer

  24. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion EXAMPLE # 2 : • Find your unknown • Starting with the unknown’s partner • Go around the problem • Divide • Then multiply • Get your answer

  25. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion EXAMPLE # 2 : • Find your unknown • Starting with the unknown’s partner • Go around the problem • Divide • Then multiply • Get your answer

  26. PROPORTION In some proportions, there is no nice and easy factor to multiply / divide by to complete the proportion EXAMPLE # 2 : • Find your unknown • Starting with the unknown’s partner • Go around the problem • Divide • Then multiply • Get your answer

  27. PROPORTION There is another method to solve proportions. It uses a little bit of Algebra but isn’t that bad.

  28. PROPORTION There is another method to solve proportions. It uses a little bit of Algebra but isn’t that bad.

  29. PROPORTION There is another method to solve proportions. It uses a little bit of Algebra but isn’t that bad. In this case, we are going to cross multiply and solve for “x”. Example # 3 :

  30. PROPORTION There is another method to solve proportions. It uses a little bit of Algebra but isn’t that bad. In this case, we are going to cross multiply and solve for “x”. Example # 3 :

  31. PROPORTION There is another method to solve proportions. It uses a little bit of Algebra but isn’t that bad. In this case, we are going to cross multiply and solve for “x”. Example # 3 :

  32. PROPORTION There is another method to solve proportions. It uses a little bit of Algebra but isn’t that bad. In this case, we are going to cross multiply and solve for “x”. Example # 3 : - Divide both sides by “8”

  33. PROPORTION There is another method to solve proportions. It uses a little bit of Algebra but isn’t that bad. In this case, we are going to cross multiply and solve for “x”. Example # 3 : - Divide both sides by “8”