Fraction Addition Demonstration by mathman1982

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2016-10-10 12:20

This example demonstrates the process and visualization of adding fractions, involving core mathematical concepts such as fraction operations, coordinate geometry, conditional statements, and sequence generation. GeoGebra commands like AxisStepY for axis step settings, FractionText for fraction display, If for conditional logic, and Sequence for sequence creation are utilized, with objects like d, c, b, a, ans, min, h, onered, oneblue, etc., for visual representation. Suitable for middle school and above students to understand fraction addition and basic GeoGebra operations.

GeoGebra Commands & Parameters

AxisStepY() → h
FractionText(ans - min) → text3
If((left * b) ≟ (right * d), text6) → text7
Sequence(Polygon[{(k - 1 / ((b * left)), 0), ((If[onered ≟ true, (a * left), 1] * k), 0), ((If[onered ≟ true, (a * left), 1] * k), h), (k - 1 / ((b * left)), h)}], k, 1 / ((b * left)), a / b, If[onered ≟ true, a, 1 / ((b * left))]) → redfraction
Sequence(Polygon[{(k - 1 / ((d * right)), 0) + ((λ * a / b), (λ * h)), ((If[oneblue ≟ true, (c * right), 1] * k), 0) + ((λ * a / b), (λ * h)), ((If[oneblue ≟ true, (c * right), 1] * k), (-h)) + ((λ * a / b), (λ * h)), (k - 1 / ((d * right)), (-h)) + ((λ * a / b), (λ * h))}], k, 1 / ((d * right)), c / d, If[oneblue ≟ true, c / d, 1 / ((d * right))]) → bluefraction