RATIO ANDPROPORTION
What is a RATIO?Ratio is the quotient oftwo numbers.
Examples: 5/67:810 to 11
What are the ways ofwriting ratio? It can be written infraction form, using acolon, and using the word“to”.
What is a proportion?Proportion is anequation in which twoor more ratios are setequal.
Example: 3:14 = 9:42 17:8 = 136:64 5/7 = 60/84
a:b = c:dExtremes – first and fourth terms inthe proportion (a and d)Means – second and third terms inthe proportion (b ...
Law of Proportion In a proportion, theproduct of the means isequal to the product of theextremes.If a/b = c/d then ad = ...
QUIZhttp://www.softschools.com/quizzes/math/proportion_word_problems/quiz3766.htmlhttp://www.mathslice.com/ratios_ws.php
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Ratio

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Ratio

  1. 1. RATIO ANDPROPORTION
  2. 2. What is a RATIO?Ratio is the quotient oftwo numbers.
  3. 3. Examples: 5/67:810 to 11
  4. 4. What are the ways ofwriting ratio? It can be written infraction form, using acolon, and using the word“to”.
  5. 5. What is a proportion?Proportion is anequation in which twoor more ratios are setequal.
  6. 6. Example: 3:14 = 9:42 17:8 = 136:64 5/7 = 60/84
  7. 7. a:b = c:dExtremes – first and fourth terms inthe proportion (a and d)Means – second and third terms inthe proportion (b and c)extremesmeans
  8. 8. Law of Proportion In a proportion, theproduct of the means isequal to the product of theextremes.If a/b = c/d then ad = bc.
  9. 9. QUIZhttp://www.softschools.com/quizzes/math/proportion_word_problems/quiz3766.htmlhttp://www.mathslice.com/ratios_ws.php

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