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Sum to 100 by Brana1

Sum to 100 by Brana1
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2018-07-03 23:36
SequenceCoordinate GeometryGeometric Construction
This example demonstrates how to add numbers up to 100. Key mathematical concepts include addition, sequences, and place value. It uses GeoGebra commands such as Polygon, If, Mod, Div, and Sequence to create an interactive addition exercise. Suitable for high-grade elementary or junior high school students for math practice and understanding of addition principles.

GeoGebra Commands & Parameters

  1. Polygon((0, 0), (0.9, 0), 4) → poly1
  2. Polygon((2, 0), (2.9, 0), 4) → poly3
  3. Polygon((1, 0), (1.9, 0), 4) → poly2
  4. Polygon((-2, 0), (-1.1, 0), 4) → poly5
  5. Polygon((-1, 0), (-0.1, 0), 4) → poly6
  6. Polygon((0, 1), (0.9, 1), 4) → poly4
  7. Polygon((-5, 0), (-4.1, 0), 4) → poly8
  8. Polygon((-4, 0), (-3.1, 0), 4) → poly9
  9. Polygon((0, 2), (0.9, 2), 4) → poly7
  10. If(IsInRegion[A, poly9], 1, If[IsInRegion[B, poly9], 2, If[IsInRegion[C, poly9], 3, If[IsInRegion[D, poly9], 4, If[IsInRegion[E, poly9], 5, If[IsInRegion[F, poly9], 6, If[IsInRegion[G, poly9], 7, If[IsInRegion[H, poly9], 8, If[IsInRegion[I, poly9], 9, 0]]]]]]]]) → nineSum
  11. If(IsInRegion[A, poly8], 1, If[IsInRegion[B, poly8], 2, If[IsInRegion[C, poly8], 3, If[IsInRegion[D, poly8], 4, If[IsInRegion[E, poly8], 5, If[IsInRegion[F, poly8], 6, If[IsInRegion[G, poly8], 7, If[IsInRegion[H, poly8], 8, If[IsInRegion[I, poly8], 9, 0]]]]]]]]) → eightSum
  12. If(IsInRegion[A, poly6], 1, If[IsInRegion[B, poly6], 2, If[IsInRegion[C, poly6], 3, If[IsInRegion[D, poly6], 4, If[IsInRegion[E, poly6], 5, If[IsInRegion[F, poly6], 6, If[IsInRegion[G, poly6], 7, If[IsInRegion[H, poly6], 8, If[IsInRegion[I, poly6], 9, 0]]]]]]]]) → sixSum
  13. If(IsInRegion[A, poly5], 1, If[IsInRegion[B, poly5], 2, If[IsInRegion[C, poly5], 3, If[IsInRegion[D, poly5], 4, If[IsInRegion[E, poly5], 5, If[IsInRegion[F, poly5], 6, If[IsInRegion[G, poly5], 7, If[IsInRegion[H, poly5], 8, If[IsInRegion[I, poly5], 9, 0]]]]]]]]) → fiveSum
  14. If(IsInRegion[A, poly3], 1, If[IsInRegion[B, poly3], 2, If[IsInRegion[C, poly3], 3, If[IsInRegion[D, poly3], 4, If[IsInRegion[E, poly3], 5, If[IsInRegion[F, poly3], 6, If[IsInRegion[G, poly3], 7, If[IsInRegion[H, poly3], 8, If[IsInRegion[I, poly3], 9, 0]]]]]]]]) → threeSum
  15. If(IsInRegion[A, poly2], 1, If[IsInRegion[B, poly2], 2, If[IsInRegion[C, poly2], 3, If[IsInRegion[D, poly2], 4, If[IsInRegion[E, poly2], 5, If[IsInRegion[F, poly2], 6, If[IsInRegion[G, poly2], 7, If[IsInRegion[H, poly2], 8, If[IsInRegion[I, poly2], 9, 0]]]]]]]]) → twoSum
  16. Mod(onesPlace, 10) → SAone
  17. Mod(tensPlace + Div[onesPlace, 10], 10) → SAten
  18. Div(onesPlace, 10) → SAtensCarry
  19. Div(tensPlace + Div[onesPlace, 10], 10) → SAhundredsCarry
  20. Sequence(Point[{i, 2.5}], i, -5, 3) → anchors
  21. Polygon(L, M, N, O) → q1, l, m, n, o