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Compare Fractions and Decimals on Number Lines

Compare Fractions and Decimals on Number Lines
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2017-05-02 03:33
Coordinate Geometry
This example demonstrates comparing fractions and decimals using number lines. Key mathematical concepts include fractions, decimals, and their representation on number lines. Commands such as Polygon, Segment, Sequence, and Point are used in construction. Suitable for high-grade elementary or junior high school students learning to compare fractions and decimals.

GeoGebra Commands & Parameters

  1. Polygon((-2.5, 0.35), (-1.5, 0.35), (-1.5, 0.85), (-2.5, 0.85)) → AnswerBoxOutline, j, k, l, m
  2. Polygon((1, 0.35), (2.5, 0.35), (2.5, 0.85), (1, 0.85)) → SymbolBox, f, g, h, i
  3. Polygon((-2.5, 0.35), (-1.5, 0.35), (-1.5, 0.85), (-2.5, 0.85)) → AnswerBoxFill, n, p, q, r
  4. Segment(EndPointLeft, EndPointRight) → NumLine
  5. Sequence((i, 0), i, -5.5, 5.5, 0.1) → PointGrid
  6. Point(PointGrid) → UserPoint1
  7. Point(PointGrid) → UserPoint2
  8. Random(1, 3) → DecType
  9. Random(0, 1) → FracSign
  10. RandomElement({2, 3, 4, 5, 10}) → Den
  11. Random(1, Den - 1) → Num
  12. Random(1, 2) → FracPosition
  13. Circle(Point1, 0.15) → DragArea1
  14. Circle(Point2, 0.15) → DragArea2
  15. Sequence((i, 0), i, -3, 3, 0.1) → MiniTickSequence
  16. Sequence((i, 0), i, -3, 3) → TickSequence