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All Fact Families

All Fact Families
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2022-01-30 20:27
FunctionProbability & StatisticsGeometric Construction
In collections Multiplication Facts
This example demonstrates the concept of fact families in mathematics, showcasing the relationships between addition/subtraction and multiplication/division through dynamic interaction. Core math concepts include basic operations, number sense, and inverse thinking. It utilizes commands like Random, If, Shuffle, IndexOf, and LaTeX, along with objects such as text1, text2, and buttons, to construct the demonstration. Suitable for middle/high elementary math education to enhance understanding of operational relationships.

GeoGebra Commands & Parameters

  1. Random(2, 12) → a
  2. Random(2, 12) → b
  3. Random(1, 2) → format
  4. If(b > 3 ∧ a > 3, {"" + (c + b) + "", "" + (c + a) + "", "" + (c - b) + "", (("" * c) * "")}, {"" + (c - 2) + "", "" + (c - 1) + "", "" + (c + 1) + "", "" + c + ""}) → labelnums
  5. Shuffle(labelnums) → l1, {"22", "21", "19", "20"}
  6. IndexOf("" + c + "", l1) → d
  7. LaTeX(problemscorrect, true, true) → text4
  8. LaTeX(numberofproblems, true, true) → text3

AI Drawing Prompt Reference

Create an interactive demo for “fact families.” Randomly choose two integers as the key numbers a and b, and set a parameter c along with an operation format. Based on a, b and a threshold condition, generate two sets of related number combinations forming addition/subtraction and multiplication/division relationships, then collect them into selectable options and shuffle their order. Display math-formatted text showing the number of problems and the count of correct answers. Include buttons and text elements so the viewer can work with the randomized options to see how inverse operations connect in fact families.
The prompt above was compiled from the original drawing commands and is for reference only.