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Representing Decimals on Number Line

Representing Decimals on Number Line
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2018-01-28 17:55
VectorCoordinate GeometryGeometric Construction
In collections Rational Numbers الأعداد النسبية
This example demonstrates how to represent decimals on a number line. Key mathematical concepts include the number line, decimals, and the combination of numbers and shapes. It uses commands such as CircleArc, Sequence, and Vector for construction. Suitable for high-grade elementary or junior high school students to learn decimal representation on the number line.

GeoGebra Commands & Parameters

  1. CircleArc((2.2, 0), (2.3, 0), (2.2, 0)) → e
  2. Sequence(CircleArc[(2 + (0.1 * k) + 0.05, -0.005), (2 + (0.1 * (k + 1)), 0), (2 + (0.1 * k), 0)], k, 0, (10 * c) - 1) → L_2
  3. Vector((2 + c, 0.3), (2 + c, 0.1)) → u
  4. Sequence(Segment[(2 + k, 0), (2 + k, -0.05)], k, 0.1, d, 0.1) → L_1