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Proportions

Proportions . Proportion. **States that two ratios are equivalent. **To check if a proportion is equivalent cross multiply. Examples: 1. 2. Proportion. **To solve a proportion 1. If possible reduce ratios 2. Cross multiply 3. Solve the equation for variable

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Proportions

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  1. Proportions

  2. Proportion **States that two ratios are equivalent. **To check if a proportion is equivalent cross multiply. Examples: 1. 2.

  3. Proportion **To solve a proportion 1. If possible reduce ratios 2. Cross multiply 3. Solve the equation for variable 4. Make sure you include labels **Examples 1. 2.

  4. LET’S PRACTICE

  5. Challenge

  6. Proportion **Word problems** set up proportion and solve for missing. Do not forget labels!! Examples: 1. A recipe that makes 8 pints of vegetable soup uses 2 cups of diced red peppers. How many cups of peppers are needed to make 12 pints of soup?

  7. Proportion 2. In 2000, the average male television viewer watched about 30 hours of television in 7 days. About how many hours of television did the average male viewer watch in 28 days.

  8. Proportion Activities: • http://www.quia.com/rr/35675.html?AP_rand=597603336 • http://www.arcademicskillbuilders.com/ • http://www.bbc.co.uk/skillswise/numbers/wholenumbers /ratioandproportion/ratio/quiz.shtml

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