Let us think of education as the means of developing our greatest abilities, because in each of us there is a private hope and dream which, fulfilled, can be translated into benefit for everyone and greater strength for our nation. John F. Kennedy U.S. President

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Ratio, Rates and Proportion

What is a ratio?

A ratio is simply a mathematical comparison such as 1 cookie eaten out of 2.  You can refer to this as a fraction such as

What is a rate?

A rate is a comparison of two different measures.  You hear of these frequently: speed is often given in miles per hour, your parents are concerned about miles per gallon for the family car, and when you are bored, you think of minutes per class.  These are unit rates ( a denominator of 1) and are very common uses.  But a rate can also be given

What is a proportion?

A proportion is very useful for problem solving.  When two fractions are equal, they represent a proportion.