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Adding and Subtracting Integers Graphically by Ricardo García Mesa

Adding and Subtracting Integers Graphically by Ricardo García Mesa
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2011-12-14 02:54
VectorCoordinate GeometryGeometric Construction
This applet demonstrates the addition and subtraction of integers graphically. Key mathematical concepts include integers, addition, and subtraction. It utilizes commands such as Line, Vector, Intersect, Segment, Mirror, and If in GeoGebra. Suitable for students from upper elementary to middle school to learn integer operations.

GeoGebra Commands & Parameters

  1. Line(C, xAxis) → d
  2. Vector(B, D) → u
  3. Vector(C, E) → v
  4. OrthogonalLine(E, xAxis) → e
  5. Intersect(e, xAxis) → F
  6. Segment(E, F) → f
  7. Segment(D, C) → g
  8. Segment(A, B) → h
  9. Mirror(E, C) → E'
  10. Vector(C, E') → w
  11. Midpoint(E, C) → G
  12. Midpoint(D, B) → H
  13. If(signo < 0.0, "-", "+") → TextoSigno
  14. If(a > 0.0, "+", " ") → TextoSignoa
  15. If(b > 0.0, "+", " ") → TextoSignob
  16. If(b2 ≥ 0.0, "+", " ") → TextoSignob2

AI Drawing Prompt Reference

Draw two parallel lines, one representing the x-axis and the other passing through point C. Create a vector from point B to D and another from point C to E. Draw a line through E perpendicular to the x-axis, intersecting it at point F. Connect E to F, D to C, and A to B. Reflect point E over C to get E', and draw a vector from C to E'. Find the midpoints of E and C (G) and D and B (H). Label with plus or minus signs based on the values.
The prompt above was compiled from the original drawing commands and is for reference only.