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Number of Objects - Addition and Subtraction

Number of Objects - Addition and Subtraction
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2018-02-25 06:11
Function
This example dynamically demonstrates the change in the number of objects to illustrate the concepts of addition and subtraction. It involves core mathematical concepts such as addition and subtraction. Using GeoGebra commands like Textfield, If, and Segment, users can intuitively understand the process of addition and subtraction operations. Suitable for high-grade elementary and junior high school students to learn addition and subtraction operations and their applications.

GeoGebra Commands & Parameters

  1. Textfield(f) → InputBox1
  2. Textfield(ymax) → InputBox2
  3. Textfield(inputlow) → InputBox3
  4. Textfield(inputhigh) → InputBox4
  5. Textfield(ymin) → InputBox5
  6. If(1 ≤ f(a) ≤ 200, f(a)) → g
  7. If(-200 ≤ f(a) ≤ -1, f(a)) → a_1
  8. If(abs(f(a)) > 200, f(a)) → b
  9. Segment((1, 0), (1, b)) → i
  10. If(abs(a) > 200, a) → c
  11. Segment((-1, 0), (-1, c)) → j
  12. Textfield(a) → InputBox6
  13. If(1 ≤ f(a) ≤ 200, Sequence[(1, n), n, 1, g]) → list1
  14. If(-200 ≤ f(a) ≤ -1, Sequence[(1, (-n)), n, 1, (-f(a))]) → list2
  15. Segment((0, 0), (2, 0)) → h