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Comparing Fractions - Expanding and Simplifying

Comparing Fractions - Expanding and Simplifying
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2023-11-02 20:37
In collections Ordnen und Vergleichen von rationalen Zahlen Ordnen und Vergleichen von Bruchzahlen
This example demonstrates how to compare fractions, particularly through expanding and simplifying. Key math concepts include comparing fractions, expanding, and simplifying. Construction points include using GeoGebra's SelectedIndex, SpeechBubbleRight, Textfield, and Polygon commands/objects. Suitable for middle school math education, particularly for comparing and operating fractions.

GeoGebra Commands & Parameters

  1. SelectedIndex(dropdown) → index
  2. SpeechBubbleRight(PBubbleMaxi, 4, 1.5) → BubbleMaxi1
  3. SpeechBubbleRight(PBubbleMaxi, 7, 2) → BubbleMaxi2
  4. SpeechBubbleRight(PBubbleMaxi1, 7, 1) → BubbleMaxi3
  5. Textfield(input1) → InputBox1
  6. SpeechBubbleRight(PBubbleMaxi1, 8.6, 1.2) → BubbleMaxi4
  7. Textfield(input2) → InputBox2
  8. Textfield(input3) → InputBox3
  9. Polygon((0.42, 0.56), (1.62, 0.56), (1.62, -1.14), (0.42, -1.14)) → q1, f, g, h, i
  10. Polygon((5.42, 0.54), (6.62, 0.54), (6.62, -1.16), (5.42, -1.16)) → q1_{1}, f_{1}, g_{1}, h_{1}, i_{1}
  11. SpeechBubbleRight(PBubbleMaxi1, 9, 1.2) → BubbleMaxi5
  12. SpeechBubbleRight(PBubbleMaxi1, 11.5, 2.5) → BubbleMaxi6