在数轴上绘制整数：几何作图与数列概念

GeoGebra 命令及参数

1. Random(20, 40) → Int5
2. Random(15, Int5 - 5) → Int4
3. Random(10, Int4 - 5) → Int3
4. Random(5, Int3 - 5) → Int2
5. Segment(StartPoint, EndPoint) → MainSegment
6. Sequence((i, 0), i, x(StartPoint) + 5, x(EndPoint) - 5, 5) → TickMarksSequence
7. Random(0, Int2 - 5) → Int1
8. Sequence(Text[i, (i - 0.4, -2)], i, 0, 40, 5) → DisplayTickMarksSequence
9. Sequence(Segment[(i / 10, 2.2), (i / 10, 25)], i, -100, 500, 1) → CustomGridSegments
10. Sequence((i, 1), i, -5, 45, 1) → CustomGridPoints
11. Join({CustomGridPoints, CustomGridSegments}) → CustomFullGrid
12. Point(CustomFullGrid) → Point1
13. Point(CustomFullGrid) → Point2
14. Point(CustomFullGrid) → Point3
15. Point(CustomFullGrid) → Point4
16. Point(CustomFullGrid) → Point5
17. If(Int1 < 10, LaTeX[Text["\," + Int1]], LaTeX[Text[Int1]]) → IntDisplay1
18. If(Int2 < 10, LaTeX[Text["\," + Int2]], LaTeX[Text[Int2]]) → IntDisplay2
19. If(Int3 < 10, LaTeX[Text["\," + Int3]], LaTeX[Text[Int3]]) → IntDisplay3
20. If(Int4 < 10, LaTeX[Text["\," + Int4]], LaTeX[Text[Int4]]) → IntDisplay4
21. If(Int5 < 10, LaTeX[Text["\," + Int5]], LaTeX[Text[Int5]]) → IntDisplay5
22. Polygon(A1, B1, C1) → Triangle1, c1, a1, b1
23. Polygon(A2, B2, C2) → Triangle2, c2, a2, b2
24. Polygon(A3, B3, C3) → Triangle3, c3, a3, b3
25. Polygon(A4, B4, C4) → Triangle4, c4, a4, b4
26. Polygon(A5, B5, C5) → Triangle5, c5, a5, b5
27. Shuffle(PointsList) → PointsListShuffled
28. LaTeX(Text["\checkmark"]) → RightCheck
29. LaTeX(Text["×"]) → WrongCheck
30. Text("Plot each number on the number line. ") → InstGen
31. Text("To plot, drag the triangle to the appropriate location on the number line. ") → text1