Monthly Archives: October 2011

Equivalent Equations

Posted on October 15, 2011 by Passy

Image Source: http://static.guim.co.uk The above containers are not all equal, but they are “Equivalent”. They are “equivalent”, because they all contain milk ! In Algebra, we can have “Equivalent” Equations, that look different in size and complexity, but all contain … Continue reading →

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Posted in Algebra, Equations, Math in the Real World | Tagged , , , , , , , , , , | 12 Comments

Balance Beam Equations

Posted on October 14, 2011 by Passy

Image Source: http://www.eduplace.com Balance Beams are often used as a physical representation of Algebra Equations.   Balancing Equations Video The following video does a great job of showing how to balance equations:     The following BBC Maths Animation gives … Continue reading →

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Posted in Algebra, Equations | Tagged , , , , , , , , , , , , | 16 Comments

Two Step Equations II

Posted on October 7, 2011 by Passy

Image Source: http://www.esquire.com When we park a car, there are two main steps: backing and turning in, then straightening up. When we leave the parking bay, we REVERSE these steps by turning out, going forward, and entering back onto the … Continue reading →

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Posted in Algebra, Equations, Equations Two Step | Tagged , , , , , , , , , | 14 Comments

Two Step Equations I

Posted on October 4, 2011 by Passy

Image Source: http://www.tynebridgeharriers.com In this lesson we look at solving two step equations using back tracking flowcharts. A typical two step equation is 2N + 5 = 11 We can use “Trial and Error”, (also called “Guess Check and Improve”), … Continue reading →

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Posted in Algebra, Equations, Equations Two Step | Tagged , , , , , , , , , , , , , | 14 Comments