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3.5- Writing Ratios and Proportions

3.5- Writing Ratios and Proportions

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Author: Jacqui T
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To help people write and solve ratios and proportions.

In this packet I have necessary vocabulary and examples to help work out ratios and proportions.

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Tutorial

Vocabulary

Ratio- comparing two quantities with the same unit of measure

 

Proportion- two ratios set equal to each other 

Solving Ratios and Proportions

Ratio- simplify to simplest form.  Ratios are fractions, which need to be put into simplest form. Sometimes, these ratios cannot be simplified, therefore it is already simplified no matter how high the numbers may be. 

 

Proportion- cross multiply and solve as a double-sided equation. 

Lesson 3.5

This slide show goes through examples on how to solve proportions and ratios.