We use ratios to make comparisons between two things. When we express ratios in words, we use the word "to" -- we say "the ratio of something to something else" -- for example, the ratio of squares to triangles in the illustration below. ... Math.com...
www.math.com/school/subject1/lessons/S1U2L1GL.html www.math.com/school/subject1/lessons/S1U2L1GL.html
A proportion is a name we give to a statement that two ratios are equal. It can be written in two ways: ... When two ratios are equal, then the cross products of the ratios are equal. ... Math Jobs...
www.math.com/school/subject1/lessons/S1U2L2GL.html www.math.com/school/subject1/lessons/S1U2L2GL.html
Using ratio, proportion, and rates. Brought to you by Math League Multimedia. ... Comparing Ratios ... One of the most useful tips in solving any math or science problem is to always write out the units when multiplying, dividing, or converting from one unit to another.
www.mathleague.com/help/ratio/ratio.htm www.mathleague.com/help/ratio/ratio.htm
Ratios are continually being utilized in math and make many things much easier to do. Scroll down or use the links below to start understanding ratios better! ... In this section we'll help you understand how to deal with ratios.
library.thinkquest.org/20991/alg/ratios.html library.thinkquest.org/20991/alg/ratios.html
Ratios - Table of Contents ... Ratios - Topics ... Ratios - Lesson...
www.aaamath.com/rat.htm www.aaamath.com/rat.htm
Proportions are built from ratios. A "ratio" is just a comparison between two different things. For instance, someone can look at a group of people, count noses, and refer to the "ratio of men to women" in the group. ... Given a pair of numbers, you should be able to write down the ratios. For example:
www.purplemath.com/modules/ratio.htm www.purplemath.com/modules/ratio.htm
ratios, proportions, fractions, elementary mathematics, arithmetic ... Table of Contents ... ; Practice Exercises...
math.rice.edu/~lanius/proportions/index.html math.rice.edu/~lanius/proportions/index.html
Learn about ratios and proportions. Find out how knowledge of these mathematical concepts is used in everyday life. Includes lesson plans, animation, online and printable worksheets, online exercises, games, and quizzes. ... There is a link to eThemes Resource on Math: Equivalent Ratios.
www.emints.org/ethemes/resources/S00001558.shtml
Ask Dr. Math Middle School Archive ... Converting Ratios to Percentages [08/03/2003] How do I convert 1:200 to a percentage? ... Finding and Working with Ratios [12/26/2001] What is the ratio of the circumference of a circle to its radius? A snail can move i inches in m minutes. How many feet can it move in h hours?
mathforum.org/library/drmath/sets/mid_ratio.html mathforum.org/library/drmath/sets/mid_ratio.html
Ratio, a selection of answers to questions about ratios from the Dr. Math archives. ... Rate vs. Ratio What is a rate? What is a ratio? Are all rates ratios, and are all ratios rates?
mathforum.org/library/drmath/sets/select/dm_ratio.html mathforum.org/library/drmath/sets/select/dm_ratio.html