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Representing Ratios with Tables

Representing Ratios with Tables
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2020-10-21 04:21
In collections Unit 2 Classwork: Intro to Ratios
This example demonstrates how to visually represent ratios using tables. The core math concepts involved include the definition of ratios, the application of tables, and mathematical expression. Construction highlights involve GeoGebra commands/objects like Textfield, Point, Segment, Text, GCD, Sequence as derived from the summary; suitable for middle school mathematics teaching, helping students understand the connection between ratios and tables, and enhancing mathematical modeling skills.

GeoGebra Commands & Parameters

  1. Textfield(text4) → InputBox2
  2. Textfield(Q1Jump) → InputBox4
  3. Textfield(text5) → InputBox3
  4. Textfield(Q2Jump) → InputBox5
  5. Point(a) → D
  6. Segment(A, D) → c
  7. Segment(B, C) → d
  8. Text("20%", (scale - 0.25, y(A) + yOffSet)) → text6
  9. Text(8, (scale - 0.12, y(B) + yOffSet)) → text7
  10. GCD(Q1Jump, Q2Jump) → g
  11. Segment(A, I) → i
  12. Segment(B, J) → k
  13. Text(0, (x(A) - 0.12, y(A) - (1.2 * yOffSet))) → text2
  14. Sequence(((e * v), h), v, 0, f) → Q1marks
  15. Sequence(((e * k), 0), k, 0, f) → Q2marks
  16. Sequence(Text[(q * Q1Jump), ((e * q) + topxOffSet, y(B) + yOffSet)], q, 1, f) → TextQ1
  17. Sequence(Text[(p * Q2Jump), ((e * p) + xOffSet, y(A) + yOffSet)], p, 1, f) → TextQ2
  18. Sequence(Text[(q * Q1Jump / 2), ((e / 2 * q) + topxOffSet, y(B) + yOffSet)], q, 1, (f * 2)) → TextQ1split2
  19. Sequence(((e / 2 * l), h), l, 0, (f * 2)) → Q1split2
  20. Sequence(((e / 2 * k), 0), k, 0, (f * 2)) → Q2split2
  21. Sequence(Text[(p * Q2Jump / 2), ((e / 2 * p) + (1.1 * xOffSet), y(A) + yOffSet)], p, 1, (f * 2)) → TextQ2split2
  22. Text(0, (x(B) - 0.12, y(B) + (3.2 * yOffSet))) → text3
  23. Sequence(((e / s * l), h), l, 0, (f * s)) → Q1split
  24. Sequence(((e / s * k), 0), k, 0, (f * s)) → Q2split
  25. Sequence(Text[(q * Q1Jump / s), ((e / s * q) + topxOffSet, y(B) + yOffSet)], q, 1, (f * s)) → TextQ1split
  26. Sequence(Text[(p * Q2Jump / s), ((e / s * p) + xOffSet, y(A) + yOffSet)], p, 1, (f * s)) → TextQ2split

AI Drawing Prompt Reference

Draw a ratio table with two segments AB and BC, where A is at the bottom left and B is at the bottom right, representing 20% and 8 respectively. On segment AB, draw lines at intervals of Q1Jump starting from 0, and on segment BC, draw lines at intervals of Q2Jump starting from 0. Label each line with its corresponding value to clearly show the ratio relationship.
The prompt above was compiled from the original drawing commands and is for reference only.