Monday, July 21, 2014

Define Ratio and Proportion


In this lesson, you will learn the basics about ratios and proportions. This is a very important lesson because you will be using this topic for our coming up topics on percentages as well. So let's begin!


Ratio is just a comparison between two different quantities.

Here are some examples of real-life ratios:

  • 70 miles per hour
  • 1 teacher per 25 students
  • 5 pencils per pencil pouch
  • 6 stickers per page
Ratios can be written in 3 different ways:

15 to 1


Proportions are just two fractions that are the same or equal. They are used to compare ratios.

Proportions can be written like the following:

1/4 and 6/24

The above fractions are equal so they are proportions!

 Sheet 1 What is Ratio and Proportion

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