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Usability

3b

Indicator 3b

Design of assignments is not haphazard: exercises are given in intentional sequences.

Kendall Hunt's Illustrative Mathematics K-5·K-5·judged by anthropic/claude-opus-4-7
Thin evidence

AI proposed

2/2Meetsconf 0.95

Materials explicitly provide adult-level explanations of complex grade-level concepts through unit/lesson/activity narratives and progressions documents that deepen teacher understanding [E2][E6][E11], plus specific worked discussions like the invert-and-multiply justification for fraction division [E9] and why a negative times a negative is positive grounded in the distributive property [E12]. Materials also clearly contain adult-level explanations of concepts beyond the current course via curated IM articles that 'contain adult-level explanations and examples of where concepts lead beyond the indicated grade level' [E1], including the K-12 number line article, trigonometry's role beyond elementary school [E7], and the 6-8 Number System progression [E12]. Both required components are structurally and substantively supported.

Your decision

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Retrieved evidence (12 chunks)

  • E1 · k5-teacher-guide — im.kendallhunt.com/k5/teachers/teacher-guide/about-these-materials.htmlrel 0.80
  • E2 · k5-teacher-guide — im.kendallhunt.com/k5/teachers/teacher-guide/design-principles.htmlrel 0.52
  • E3 · k5-teacher-guide — im.kendallhunt.com/k5/teachers/teacher-guide/about-these-materials.htmlrel 0.49
  • E4 · ms-teacher-guide — im.kendallhunt.com/MS/teachers/how_to.htmlrel 0.48
  • E5 · k5-teacher-guide — im.kendallhunt.com/k5/teachers/teacher-guide/about-these-materials.htmlrel 0.47
  • E6 · k5-teacher-guide — im.kendallhunt.com/k5/teachers/teacher-guide/design-principles.htmlrel 0.46
  • E7 · k5-teacher-guide — im.kendallhunt.com/k5/teachers/teacher-guide/about-these-materials.htmlrel 0.46
  • E8 · k5-teacher-guide — im.kendallhunt.com/k5/teachers/teacher-guide/design-principles.htmlrel 0.45
  • E9 · k5-teacher-guide — im.kendallhunt.com/k5/teachers/teacher-guide/about-these-materials.htmlrel 0.45
  • E10 · k5-teacher-guide — im.kendallhunt.com/k5/teachers/teacher-guide/design-principles.htmlrel 0.44
  • E11 · k5-teacher-guide — im.kendallhunt.com/k5/teachers/teacher-guide/about-these-materials.htmlrel 0.44
  • E12 · k5-teacher-guide — im.kendallhunt.com/k5/teachers/teacher-guide/about-these-materials.htmlrel 0.43

Evidence is stored as references + retrieval scores (the chunk text isn’t snapshotted); open the source to read the passage in context.