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Conservation of Equation and Function under Transformations of Variable

3 references·3 citing·20 second hop

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References

1978Children's Understanding of Numerical Variables.152 cited
1980Constructing Meaning for The Concept of Equation91 cited
1971Piagetian cognitive-development research and mathematical education75 cited

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2013A comparison of Korean and American secondary school textbooks: the case of quadratic equations56 cited
2012What Kinds of Numbers Do Students Assign to Literal Symbols? Aspects of the Transition from Arithmetic to Algebra55 cited
1992Designing virtual worlds for use in mathematics education: the example of experimental algebra55 cited

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