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Wallace-Gomez, Patricia1
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Wallace-Gomez, Patricia – Mathematics Teacher, 2013
After a unit on the rules for positive and negative numbers and the order of operations for evaluating algebraic expressions, many students believe that they understand these principles well enough, but they really do not. They clearly need more practice, but not more of the same kind of drill. Wallace-Gomez provides three graphing activities that…
Descriptors: Algebra, Mathematics Instruction, Graphs, Mathematical Concepts