Monthly Archives: October 2011

Real World Line Graphs

Image Source: http://www.flickr.com Straight Line Graphs play an important part in our modern lives. They are used extensively in Sales and Marketing, Economics, Business, Psychology, Science and Medicine. Here is a Graph from a medical study of infertility that has … Continue reading

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Posted in Algebra, Graphs, Math in the Real World, Straight Line Graphs | Tagged , , , , , , , , , , , , | 29 Comments

The Cartesian Plane

Image Source: http://fc05.deviantart.net In the above picture we have a pier going out at right angles from the horizontal coastline. We could walk away from where the man and his boat are, to many different locations, by wading out into … Continue reading

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Posted in Algebra, Graphs, Straight Line Graphs | Tagged , , , , , , , , , , | 22 Comments

Equations Word Problems

Image Source: http://content5.videojug.com Many word problems in Mathematics involve writing an equation and then solving it to obtain a number answer. First we need to know how to translate the words into Algebra. If you are not sure about how … Continue reading

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Posted in Algebra, Equations, Word Problems | Tagged , , , , , , , , , , , | 5 Comments

Three Step Equations

Image Source: http://www.motivateandcreate.com Solving three step equations can be done using back tracking flowcharts. Let’s review Back tracking Flowcharts. The forward steps along the top of the flowchart need to be put into BODMAS or PEMDAS order. The following is … Continue reading

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Posted in Algebra, Equations, Equations Three Step | Tagged , , , , , , , , , , , , | 4 Comments

Fractions Equations

Image Source: http://sp.life123.com Fractions Equations usually involve dividing, that is represented using numerator/denominator notation, instead of using a divided by sign. We can solve Fraction Equations using Back Tracking Flowcharts. In our example equation: n/3 + 4 = 7 we … Continue reading

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Posted in Algebra, Equations, Equations Two Step | Tagged , , , , , , , , , , , | 11 Comments