{
  "version": "1.2.0",
  "chapters": [
    {
      "title": "Why teachers should stop confirming or denying answers.\r",
      "startTime": 180,
      "endTime": 360
    },
    {
      "title": "The science of leaving some problems unresolved.\r",
      "startTime": 360,
      "endTime": 720
    },
    {
      "title": "Paper folding and color coding as sensory learning tools.\r",
      "startTime": 720,
      "endTime": 1080
    },
    {
      "title": "How counting leads to proportional reasoning and algebra.\r",
      "startTime": 1080,
      "endTime": 1440
    },
    {
      "title": "Teaching division as skip counting instead of a procedure.\r",
      "startTime": 1440,
      "endTime": 1620
    },
    {
      "title": "Why number sense is more important than solving for X.\r",
      "startTime": 1620,
      "endTime": 1800
    },
    {
      "title": "Applying rate and function to real-world math understanding.\r",
      "startTime": 1800,
      "endTime": 1920
    },
    {
      "title": "Conclusion: Transforming math through iterative thinking.",
      "startTime": 1920,
      "endTime": 0
    }
  ]
}