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Harrow, Christopher; Merchant, Nurfatimah – Mathematics Teacher: Learning and Teaching PK-12, 2020
Sinusoidal functions are difficult for students: Periodicity is a new concept, transferring information from the unit circle can be confusing, and computations with multiple solutions can be overwhelming. Many struggle with both the unfamiliar "waviness" of sinusoidal graphs and their transformations (translations, dilations, and…
Descriptors: Graphs, Mathematics, Transformations (Mathematics), Computer Uses in Education
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Bailey, Nina G.; Reed, Samuel D.; Fye, Kristen; McCulloch, Allison W.; Lovett, Jennifer N. – Mathematics Teacher: Learning and Teaching PK-12, 2020
If the goal is to move beyond the shape of the graph to consider the dynamic aspects of functions, students need to explore dynamic representations of functions. To address this, the authors combined the use of a dynamic representation of function with the instructional routine, Which One Doesn't Belong? [WODB]. In this article, they briefly…
Descriptors: Mathematics, Visual Aids, Mathematics Instruction, Graphs