{
 "source": "https://peabody.kids/flashcards/math-perfect-squares",
 "id": "math-perfect-squares",
 "category": "math",
 "subject": "Math",
 "title": "Perfect Squares 1 to 40",
 "levels": [
  "3-5",
  "6-8",
  "9-12"
 ],
 "description": "The square of every whole number from 1 to 40.",
 "tags": [
  "squares",
  "number sense"
 ],
 "frontLabel": "Square",
 "backLabel": "Value",
 "cards": [
  [
   "1²",
   "1"
  ],
  [
   "2²",
   "4"
  ],
  [
   "3²",
   "9"
  ],
  [
   "4²",
   "16"
  ],
  [
   "5²",
   "25"
  ],
  [
   "6²",
   "36"
  ],
  [
   "7²",
   "49"
  ],
  [
   "8²",
   "64"
  ],
  [
   "9²",
   "81"
  ],
  [
   "10²",
   "100"
  ],
  [
   "11²",
   "121"
  ],
  [
   "12²",
   "144"
  ],
  [
   "13²",
   "169"
  ],
  [
   "14²",
   "196"
  ],
  [
   "15²",
   "225"
  ],
  [
   "16²",
   "256"
  ],
  [
   "17²",
   "289"
  ],
  [
   "18²",
   "324"
  ],
  [
   "19²",
   "361"
  ],
  [
   "20²",
   "400"
  ],
  [
   "21²",
   "441"
  ],
  [
   "22²",
   "484"
  ],
  [
   "23²",
   "529"
  ],
  [
   "24²",
   "576"
  ],
  [
   "25²",
   "625"
  ],
  [
   "26²",
   "676"
  ],
  [
   "27²",
   "729"
  ],
  [
   "28²",
   "784"
  ],
  [
   "29²",
   "841"
  ],
  [
   "30²",
   "900"
  ],
  [
   "31²",
   "961"
  ],
  [
   "32²",
   "1024"
  ],
  [
   "33²",
   "1089"
  ],
  [
   "34²",
   "1156"
  ],
  [
   "35²",
   "1225"
  ],
  [
   "36²",
   "1296"
  ],
  [
   "37²",
   "1369"
  ],
  [
   "38²",
   "1444"
  ],
  [
   "39²",
   "1521"
  ],
  [
   "40²",
   "1600"
  ]
 ]
}