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解两步不等式 by cemccourseware

解两步不等式 by cemccourseware
几何画板及绘图内容加载中，请稍等……
2019-01-14 21:10
解析几何不等式几何作图
所属专题 Inequality-One Variable
①本范例演示如何通过 GeoGebra 动态演示解两步不等式的步骤；②涉及的核心数学概念为不等式解法、实数运算；③作图要点提炼自构造摘要，使用了 questionList, questionListIndex, numQuestions, ConfirmStep, TryAnother, xmark, cmark, G1, H1, I1, J1, K1, L1, M1, N1, O1, P1, Q1, R1, S1, T1, U1, V1, W1, X1, buttonOption1, buttonOption2, buttonOption6, buttonOption5, buttonOption4, buttonOption3, textStep1, textAnchor, textStep2, onStep1, step1ChosenOption, step2ChosenOption, questionNumber, step1CorrectOption, step2CorrectOption 等命令和对象；④适合初中及以上数学教学或自学，用于理解和掌握不等式解题技巧。

GeoGebra 命令及参数

  1. UnicodeToLetter(10007) → xmark
  2. UnicodeToLetter(10003) → cmark
  3. LaTeX("\text{Choice 1}") → G1
  4. LaTeX("\text{Choice 2}") → H1
  5. LaTeX("\text{Choice 3}") → I1
  6. LaTeX("\text{Choice 4}") → J1
  7. LaTeX("\text{Choice 5}") → K1
  8. LaTeX("\text{Choice 6}") → L1
  9. LaTeX("\text{1st Step Choice 1}") → M1
  10. LaTeX("\text{1st Step Choice 2}") → N1
  11. LaTeX("\text{1st Step Choice 3}") → O1
  12. LaTeX("\text{1st Step Choice 4}") → P1
  13. LaTeX("\text{1st Step Choice 5}") → Q1
  14. LaTeX("\text{1st Step Choice 6}") → R1
  15. LaTeX("\text{2nd Step Choice 1}") → S1
  16. LaTeX("\text{2nd Step Choice 2}") → T1
  17. LaTeX("\text{2nd Step Choice 3}") → U1
  18. LaTeX("\text{2nd Step Choice 4}") → V1
  19. LaTeX("\text{2nd Step Choice 5}") → W1
  20. LaTeX("\text{2nd Step Choice 6}") → X1
  21. Element(questionList, questionListIndex) → questionNumber
  22. Element(Y2:Y4, questionNumber) → step1CorrectOption
  23. Element(Z2:Z4, questionNumber) → step2CorrectOption
  24. LaTeX("\text{Correct First Step}") → Y1
  25. LaTeX("\text{Inequality}") → A1
  26. LaTeX("Operand1") → B1
  27. LaTeX("Operand2") → C1
  28. LaTeX("\text{Correct Second Step}") → Z1
  29. LaTeX("Operand3") → D1
  30. LaTeX("Sign") → E1
  31. LaTeX("Sign Reversed") → F1
  32. Element(M2:M4, questionNumber) → step1option1
  33. Element(N2:N4, questionNumber) → step1option2
  34. Element(O2:O4, questionNumber) → step1option3
  35. Element(P2:P4, questionNumber) → step1option4
  36. Element(Q2:Q4, questionNumber) → step1option5
  37. Element(R2:R4, questionNumber) → step1option6
  38. Element(S2:S4, questionNumber) → step2option1
  39. Element(T2:T4, questionNumber) → step2option2
  40. Element(U2:U4, questionNumber) → step2option3
  41. Element(V2:V4, questionNumber) → step2option4
  42. Element(W2:W4, questionNumber) → step2option5
  43. Element(X2:X4, questionNumber) → step2option6
  44. LaTeX("\text{\textbf{Question: }What steps would you take to solve this inequality?\\\textbf{Instructions: }Select the correct first step to solve the given inequality. When\\you are happy with your selection, confirm your step and then select step two.}") → TEXT