Two models for solving a 2x2 system of linear equations

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Two models for solving a 2x2 system of linear equations
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9th
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0.04 MB   |   1 pages

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Metaphorically a 2x2 system of linear equations can be observed as two lines in the Cartesian plane, two tables of values, two balancing scales, two sets of bars, etc.

We present 2 different ways to solve the same system of linear equations including a Singapore approach with bars.

Multiple representations are known to help facilitate more coherent conceptual understanding.

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Two models for solving a 2x2 system of linear equations