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Modeling Fraction Operations with Parallel Resistor Circuits

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Students will explore mathematical rules for combining fractions with unlike denominators by modeling equivalent resistance calculations for resistors wired in parallel electrical circuits. Using a simulation on TinkerCAD, they will select resistor values to calculate the total resistance. This cross-disciplinary investigation into fraction arithmetic concepts through hands-on electronics projects and verification of Ohm's Law relationships will build procedural fluency and conceptual links between mathematics and electrical engineering contexts.

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Grades: 7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade, 12th Grade
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This a hands on activity that will have the students measure the frequency of a resonating glass bottle by using their cells phones. They will then combine with other groups to play a well known song