Category Archives: Equations

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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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

One Step Equations

Posted on September 30, 2011 by Passy

Image Source: http://www.ibspro.net One step equations require one “opposite” operation to be performed on them, which then allows us to obtain the value of their unknown variable. The different types of one step equations and their opposites are shown below. … Continue reading →

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Posted in Algebra, Equations, Equations One Step | Tagged , , , , , , , , | 17 Comments