{
  "icon" : "list.bullet",
  "id" : "9F621846-0311-53B1-93F4-A1467A4A7024",
  "lines" : [
    {
      "id" : "8D464F1A-D031-56A2-92BF-7322E710D4CC",
      "source" : "# Fact families"
    },
    {
      "id" : "FD13AF53-A98A-5189-B471-5558A26B5E2C",
      "source" : "\/\/ Three numbers, four facts. Drag the whole or a part."
    },
    {
      "id" : "D2B7BA01-9B30-5F5D-8302-5CFD2C2631E9",
      "source" : "\/\/ true means both sides match."
    },
    {
      "id" : "6B2D5423-5FB6-581B-AD24-3AABCC8AA1A1",
      "source" : "whole = 13 in 10 … 20"
    },
    {
      "id" : "C0AB63B7-5138-5882-A096-94AC55E58DD1",
      "source" : "part one = 6 in 0 … 10"
    },
    {
      "id" : "CBC48159-7732-5BF2-90FF-0D6AFB0D1BD0",
      "source" : "part two = whole - part one"
    },
    {
      "id" : "D32062BB-B0DF-56EE-93A7-7B809CEC38F2",
      "source" : ""
    },
    {
      "id" : "88E91410-E9B8-5F4F-A43F-7600635876D2",
      "source" : "# Two additions"
    },
    {
      "id" : "8B205F4F-3043-5E0F-9CD1-920C7115F0E4",
      "source" : "part one + part two == whole"
    },
    {
      "id" : "1ACE90E9-08D9-55BE-AFF8-90E398CFCA0A",
      "source" : "part two + part one == whole"
    },
    {
      "id" : "37DD5C53-3988-5454-98F6-CC052BE52CA3",
      "source" : ""
    },
    {
      "id" : "D909EEEF-EA42-50D3-AAB8-837F2F16141D",
      "source" : "# Two subtractions"
    },
    {
      "id" : "EA88E102-C464-56F8-9CF1-E13E86D36AC0",
      "source" : "whole - part one == part two"
    },
    {
      "id" : "06247834-FB55-5971-A0BA-8B9F893DFF0C",
      "source" : "whole - part two == part one"
    }
  ],
  "numberStyle" : {
    "decimal" : ".",
    "grouping" : ",",
    "secondaryGroupSize" : 3
  },
  "title" : "Fact families to 20"
}