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Rational Number Addition and Subtraction Practice by Jan Elemans

Rational Number Addition and Subtraction Practice by Jan Elemans
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2013-10-29 21:33
Coordinate GeometryGeometric ConstructionSlider Animation
In collections Module 1: Negative numbers
This example practices rational number addition and subtraction using a number line to help students understand the rules of negative number operations. It uses commands like Random, If, CircumcircleArc, and Textfield. Suitable for upper elementary or lower middle school students.

GeoGebra Commands & Parameters

  1. Random(1, 2) → a
  2. If(a < 2, 1, -1) → b
  3. Random(1, 5) → c
  4. If(e < 20, 1, -1) → f
  5. Random(1, 6) → g
  6. CircumcircleArc(A, T, B) → k
  7. Textfield(BB) → tekstveld1
  8. Textfield(CC) → tekstveld2
  9. CircumcircleArc(A, S, C) → p
  10. Textfield(DD) → tekstveld3
  11. CircumcircleArc(A, U, D) → q
  12. Textfield(EE) → tekstveld4
  13. CircumcircleArc(A, V, E) → r
  14. Random(3, 4) → n
  15. Textfield(FF) → tekstveld5
  16. Textfield(GG) → tekstveld6
  17. Textfield(HH) → tekstveld7
  18. Textfield(FF) → tekstveld8