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Multiplying Integers

Multiplying Integers
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2011-12-19 19:56
FunctionSequenceCoordinate Geometry
This GeoGebra applet helps students understand the sign rules in integer multiplication through dynamic demonstrations. It involves the core math concept of sign rules in integer multiplication. Using commands like Arc, If, and Sequence, students can visually see the results of different integer multiplications. Suitable for high-grade elementary and junior high school students.

GeoGebra Commands & Parameters

  1. Arc((x - a / 2)^(2) = a / 2, (0, 0), (a, 0)) → c
  2. If(b < 0, Sequence[(-a * n, 0), n, 0, -b], Sequence[(a * n, 0), n, 0, b]) → lista3
  3. Sequence(Semicircle[Element[lista3, n], Element[lista3, n + 1]], n, 1, abs(b)) → lista1