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Subtracting Fractions with Like Denominators by Ibrahim El Hage

Subtracting Fractions with Like Denominators by Ibrahim El Hage
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2017-07-22 16:48
TrigonometrySequenceGeometric Construction
In collections Fractions الكسور
This example demonstrates the process of subtracting fractions with the same denominator. The core mathematical concept involved is basic fraction operations. Using GeoGebra commands such as Random, Vector, and Sequence, the example dynamically shows the steps of fraction subtraction. Suitable for high-grade elementary and junior high school students learning fraction operations.

GeoGebra Commands & Parameters

  1. Random(2, 10) → b
  2. Random(1, b) → a
  3. Vector((0, 2)) → j
  4. Random(1, a) → c
  5. Sequence(Rectangle[20 / b, ((k * 20 / b) - 5, 6), ((k * 20 / b) - 5, 4)], k, 0, b - 1) → list1
  6. Sequence(Rectangle[20 / b, ((k * 20 / b) - 5, 6), ((k * 20 / b) - 5, 4)], k, 0, a - 1) → list2
  7. Sequence(Rectangle[20 / d, ((k * 20 / d) - 5, 3), ((k * 20 / d) - 5, 1)], k, 0, d - 1) → list5
  8. Sequence(Rectangle[20 / d, ((k * 20 / d) - 5, 3), ((k * 20 / d) - 5, 1)], k, 0, c - 1) → list3
  9. Sequence(Rectangle[20 / b, ((k * 20 / b) - 5, -3), ((k * 20 / b) - 5, -5)], k, 0, b - 1) → list4
  10. Sequence(Rectangle[20 / b, ((k * 20 / b) - 5, 6 - p), ((k * 20 / b) - 5, 4 - p)], k, 0, a - 1) → list6
  11. Sequence(Rectangle[20 / b, ((k * 20 / b) - 5, 1 - (2 * n)), ((k * 20 / b) - 5, 3 - (2 * n))], k, 0, c - 1) → list7
  12. Vector(A, B) → u

AI Drawing Prompt Reference

Draw a dynamic demonstration of fraction subtraction, including bar charts for numerators and denominators. First, draw bar charts for fractions with denominator b, then draw bar charts for fractions with numerator a, followed by bar charts for fractions with numerator c, and finally draw the remaining parts to show the fraction subtraction process.
The prompt above was compiled from the original drawing commands and is for reference only.