Ten models for solving a 2x2 system of linear equations

Ten models for solving a 2x2 system of linear equations
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9th
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0.15 MB   |   7 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 10 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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7
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Ten models for solving a 2x2 system of linear equations