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Primary and Secondary Teachers’ Knowledge, Interpretation, and Approaches to Students Errors about Ratio and Proportion Topics
Primary Teachers Secondary Teachers Knowledge Ratio Proportion’ Problems
2013/2/21
This study investigated elementary and secondary teachers’ understanding and pedagogical strategies applied to students making errors in finding a missing length in similar rectangles. It was revealed...
Using an Interactive Computer System to Support the Task of Building the Notions of Ratio and Proportion
Ratio Proportion Interactive Activities
2013/2/21
This article describes the design and general outcome of applying a computer system that includes interactive activities to the topics of ratio and proportion. The work was undertaken with Mexican stu...