{
  "unit": 5,
  "standards": [
    "Improper integrals",
    "Infinite intervals",
    "Unbounded integrands",
    "p-integrals",
    "Comparison",
    "Trapezoidal rule",
    "Midpoint rule",
    "Simpson’s rule",
    "Error analysis"
  ],
  "evidence": [
    "lesson derivations",
    "pathway problem set",
    "investigation",
    "mastery check",
    "portfolio correction"
  ]
}