{
  "title": "Numbers up to 10000 - Expanded and Standard Form",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "Easy",
      "question": "What is the expanded form of 2345?",
      "options": {
        "A": "2000+300+40+5",
        "B": "200+300+40+5",
        "C": "20+300+40+5",
        "D": "2000+30+40+5"
      },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "Easy",
      "question": "What is the expanded form of 4502?",
      "options": {
        "A": "4000+500+2",
        "B": "400+50+2",
        "C": "40+500+2",
        "D": "4000+50+2"
      },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "Easy",
      "question": "Standard form of 3000 + 400 + 20 + 1 is:",
      "options": { "A": "3421", "B": "3241", "C": "3412", "D": "3142" },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "Easy",
      "question": "Expanded form of 1205 is:",
      "options": {
        "A": "1000+200+5",
        "B": "1000+20+5",
        "C": "100+20+5",
        "D": "1000+200+50"
      },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "Easy",
      "question": "Standard form of 5000 + 30 + 6:",
      "options": { "A": "5036", "B": "5306", "C": "5030", "D": "50036" },
      "correct_answer": "A"
    },
    {
      "id": 6,
      "difficulty": "Easy",
      "question": "What is the expanded form of 6008?",
      "options": {
        "A": "600+8",
        "B": "6000+8",
        "C": "6000+80",
        "D": "600+80+8"
      },
      "correct_answer": "B"
    },
    {
      "id": 7,
      "difficulty": "Easy",
      "question": "Expanded form of 7890:",
      "options": {
        "A": "7000+800+90",
        "B": "700+80+90",
        "C": "70+800+90",
        "D": "7000+80+90"
      },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "Easy",
      "question": "Standard form of 4000 + 90 + 2:",
      "options": {
        "A": "4902",
        "B": "4092",
        "C": "4029",
        "D": "4920"
      },
      "correct_answer": "B"
    },
    {
      "id": 9,
      "difficulty": "Easy",
      "question": "Expanded form of 3004:",
      "options": { "A": "300+4", "B": "3000+4", "C": "3000+40", "D": "30+4" },
      "correct_answer": "B"
    },
    {
      "id": 10,
      "difficulty": "Easy",
      "question": "Standard form of 2000 + 300 + 4:",
      "options": { "A": "2304", "B": "2034", "C": "2340", "D": "2430" },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "Easy",
      "question": "What is the expanded form of 5123?",
      "options": {
        "A": "5000+100+20+3",
        "B": "500+100+20+3",
        "C": "50+100+20+3",
        "D": "5000+10+20+3"
      },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "Easy",
      "question": "Expanded form of 7006:",
      "options": { "A": "7000+6", "B": "700+6", "C": "7000+60", "D": "70+6" },
      "correct_answer": "A"
    },
    {
      "id": 13,
      "difficulty": "Easy",
      "question": "Standard form of 9000 + 300 + 20 + 1:",
      "options": { "A": "9321", "B": "9213", "C": "9132", "D": "9312" },
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "Easy",
      "question": "What is the expanded form of 2540?",
      "options": {
        "A": "2000+500+40",
        "B": "200+500+40",
        "C": "20+500+40",
        "D": "2000+50+40"
      },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "Easy",
      "question": "Standard form of 3000 + 70 + 5:",
      "options": { "A": "3075", "B": "3705", "C": "3057", "D": "30075" },
      "correct_answer": "A"
    },
    {
      "id": 16,
      "difficulty": "Easy",
      "question": "Expanded form of 8102 is:",
      "options": {
        "A": "8000+100+2",
        "B": "810+2",
        "C": "800+100+2",
        "D": "8000+10+2"
      },
      "correct_answer": "A"
    },
    {
      "id": 17,
      "difficulty": "Easy",
      "question": "Standard form of 6000 + 500 + 3:",
      "options": { "A": "6503", "B": "6053", "C": "6530", "D": "653" },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "Easy",
      "question": "Expanded form of 4301:",
      "options": {
        "A": "4000+300+1",
        "B": "400+300+1",
        "C": "4000+30+1",
        "D": "43+1"
      },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "Easy",
      "question": "Standard form of 2000 + 40 + 8:",
      "options": { "A": "2048", "B": "2408", "C": "2480", "D": "2840" },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "Easy",
      "question": "Expanded form of 9050:",
      "options": { "A": "9000+50", "B": "900+50", "C": "90+50", "D": "9000+5" },
      "correct_answer": "A"
    },

    {
      "id": 21,
      "difficulty": "Medium",
      "question": "What is the expanded form of 6781?",
      "options": {
        "A": "6000+700+80+1",
        "B": "600+700+80+1",
        "C": "60+700+80+1",
        "D": "6000+70+80+1"
      },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "Medium",
      "question": "Standard form of 7000 + 20 + 6:",
      "options": { "A": "7026", "B": "7206", "C": "7062", "D": "7260" },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "Medium",
      "question": "Expanded form of 5913:",
      "options": {
        "A": "5000+900+10+3",
        "B": "500+900+10+3",
        "C": "50+900+10+3",
        "D": "5000+90+10+3"
      },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "Medium",
      "question": "Standard form of 8000 + 400 + 10:",
      "options": { "A": "8410", "B": "8140", "C": "8401", "D": "8014" },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "Medium",
      "question": "Expanded form of 7605:",
      "options": {
        "A": "7000+600+5",
        "B": "700+600+5",
        "C": "70+600+5",
        "D": "7000+60+5"
      },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "Medium",
      "question": "Standard form of 4000 + 500 + 60 + 9:",
      "options": { "A": "4569", "B": "4596", "C": "4659", "D": "4956" },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "Medium",
      "question": "Expanded form of 8320:",
      "options": {
        "A": "8000+300+20",
        "B": "800+300+20",
        "C": "80+300+20",
        "D": "8000+30+20"
      },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "Medium",
      "question": "Standard form of 9000 + 200 + 1:",
      "options": { "A": "9201", "B": "9021", "C": "9012", "D": "9210" },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "Medium",
      "question": "What is the expanded form of 2479?",
      "options": {
        "A": "2000+400+70+9",
        "B": "200+400+70+9",
        "C": "20+400+70+9",
        "D": "2000+40+70+9"
      },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "Medium",
      "question": "Expanded form of 6804:",
      "options": {
        "A": "6000+800+4",
        "B": "600+800+4",
        "C": "60+800+4",
        "D": "6000+80+4"
      },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "Medium",
      "question": "Standard form of 3000 + 600 + 40 + 5:",
      "options": { "A": "3645", "B": "3465", "C": "3654", "D": "3546" },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "Medium",
      "question": "What is the expanded form of 1056?",
      "options": {
        "A": "1000+50+6",
        "B": "1000+500+6",
        "C": "1000+5+6",
        "D": "100+50+6"
      },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "Medium",
      "question": "Standard form of 2000 + 90 + 7:",
      "options": { "A": "2097", "B": "2970", "C": "2709", "D": "297" },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "Medium",
      "question": "Expanded form of 7009:",
      "options": { "A": "7000+9", "B": "700+9", "C": "70+9", "D": "7000+90" },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "Medium",
      "question": "What is the expanded form of 5640?",
      "options": {
        "A": "5000+600+40",
        "B": "500+600+40",
        "C": "50+600+40",
        "D": "5000+60+40"
      },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "Medium",
      "question": "Standard form of 8000 + 300 + 2:",
      "options": { "A": "8302", "B": "8032", "C": "3820", "D": "8320" },
      "correct_answer": "A"
    },
    {
      "id": 37,
      "difficulty": "Medium",
      "question": "Expanded form of 9430:",
      "options": {
        "A": "9000+400+30",
        "B": "900+400+30",
        "C": "90+400+30",
        "D": "9000+40+30"
      },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "Medium",
      "question": "Standard form of 6000 + 70 + 1:",
      "options": { "A": "6071", "B": "6701", "C": "6107", "D": "6170" },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "Medium",
      "question": "Expanded form of 3208:",
      "options": {
        "A": "3000+200+8",
        "B": "300+200+8",
        "C": "30+200+8",
        "D": "3000+20+8"
      },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "Medium",
      "question": "Standard form of 4000 + 700 + 6:",
      "options": { "A": "4706", "B": "4760", "C": "4670", "D": "4076" },
      "correct_answer": "A"
    },

    {
      "id": 41,
      "difficulty": "Hard",
      "question": "Which number has the greatest thousands value?",
      "options": { "A": "3456", "B": "9456", "C": "7456", "D": "8456" },
      "correct_answer": "B"
    },
    {
      "id": 42,
      "difficulty": "Hard",
      "question": "Which number has the smallest thousands value?",
      "options": { "A": "2034", "B": "5034", "C": "8034", "D": "3034" },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "Hard",
      "question": "Standard form of 9000 + 800 + 50 + 4:",
      "options": { "A": "9854", "B": "9584", "C": "8954", "D": "98540" },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "Hard",
      "question": "Expanded form of 7649:",
      "options": {
        "A": "7000+600+40+9",
        "B": "700+600+40+9",
        "C": "70+600+40+9",
        "D": "7000+60+40+9"
      },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "Hard",
      "question": "Standard form of 8000 + 90 + 3:",
      "options": { "A": "8093", "B": "8903", "C": "8039", "D": "8930" },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "Hard",
      "question": "Expanded form of 6907:",
      "options": {
        "A": "6000+900+7",
        "B": "600+900+7",
        "C": "60+900+7",
        "D": "6000+90+7"
      },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "Hard",
      "question": "Standard form of 7000 + 200 + 30 + 1:",
      "options": { "A": "7231", "B": "7321", "C": "7123", "D": "7213" },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "Hard",
      "question": "Expanded form of 8540:",
      "options": {
        "A": "8000+500+40",
        "B": "800+500+40",
        "C": "80+500+40",
        "D": "8000+50+40"
      },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "Hard",
      "question": "Standard form of 6000 + 900 + 8:",
      "options": { "A": "6908", "B": "6980", "C": "6098", "D": "9608" },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "Hard",
      "question": "Expanded form of 7905:",
      "options": {
        "A": "7000+900+5",
        "B": "700+900+5",
        "C": "70+900+5",
        "D": "7000+90+5"
      },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "Hard",
      "question": "Standard form of 9000 + 40 + 7:",
      "options": { "A": "9047", "B": "9407", "C": "9074", "D": "9470" },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "Hard",
      "question": "Expanded form of 9861:",
      "options": {
        "A": "9000+800+60+1",
        "B": "900+800+60+1",
        "C": "90+800+60+1",
        "D": "9000+80+60+1"
      },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "Hard",
      "question": "Standard form of 5000 + 700 + 20 + 9:",
      "options": { "A": "5729", "B": "5297", "C": "5792", "D": "5972" },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "Hard",
      "question": "Expanded form of 8412:",
      "options": {
        "A": "8000+400+10+2",
        "B": "800+400+10+2",
        "C": "80+400+10+2",
        "D": "8000+40+10+2"
      },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "Hard",
      "question": "Standard form of 3000 + 800 + 6:",
      "options": { "A": "3806", "B": "3860", "C": "3086", "D": "3608" },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "Hard",
      "question": "Expanded form of 7694:",
      "options": {
        "A": "7000+600+90+4",
        "B": "700+600+90+4",
        "C": "70+600+90+4",
        "D": "7000+60+90+4"
      },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "Hard",
      "question": "Standard form of 2000 + 700 + 80 + 3:",
      "options": { "A": "2783", "B": "2873", "C": "2738", "D": "2378" },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "Hard",
      "question": "Expanded form of 6187:",
      "options": {
        "A": "6000+100+80+7",
        "B": "600+100+80+7",
        "C": "60+100+80+7",
        "D": "6000+10+80+7"
      },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "Hard",
      "question": "Standard form of 4000 + 500 + 90 + 6:",
      "options": { "A": "4596", "B": "4956", "C": "4569", "D": "4695" },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "Hard",
      "question": "Expanded form of 9034:",
      "options": {
        "A": "9000+30+4",
        "B": "900+30+4",
        "C": "9000+300+4",
        "D": "90+300+4"
      },
      "correct_answer": "A"
    }
  ]
}