{
  "title": "Numbers up to 100 - Place Value (Ones & Tens)",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "How many tens are there in 20?",
      "options": {
        "A": "2",
        "B": "0",
        "C": "1",
        "D": "20"
      },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "In the number 34, what digit is in the ones place?",
      "options": {
        "A": "4",
        "B": "3",
        "C": "5",
        "D": "6"
      },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "How many ones are in 7?",
      "options": {
        "A": "7",
        "B": "1",
        "C": "0",
        "D": "2"
      },
      "correct_answer": "A"
    },
    {
      "question_id": 4,
      "question": "In 52, how many tens are there?",
      "options": {
        "A": "3",
        "B": "5",
        "C": "2",
        "D": "1"
      },
      "correct_answer": "B",
      "id": 4,
      "difficulty": "easy"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "What is the tens digit in 46?",
      "options": {
        "A": "4",
        "B": "6",
        "C": "5",
        "D": "40"
      },
      "correct_answer": "A"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "What is the ones digit in 89?",
      "options": {
        "A": "8",
        "B": "7",
        "C": "0",
        "D": "9"
      },
      "correct_answer": "D"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "How many tens are there in 70?",
      "options": {
        "A": "10",
        "B": "7",
        "C": "5",
        "D": "1"
      },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "What is the ones digit in 61?",
      "options": {
        "A": "6",
        "B": "1",
        "C": "2",
        "D": "0"
      },
      "correct_answer": "B"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "In 28, the tens digit is?",
      "options": {
        "A": "8",
        "B": "2",
        "C": "3",
        "D": "1"
      },
      "correct_answer": "B"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "What number has 4 tens and 3 ones?",
      "options": {
        "A": "43",
        "B": "34",
        "C": "30",
        "D": "4"
      },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "What is the ones digit in 92?",
      "options": {
        "A": "9",
        "B": "1",
        "C": "2",
        "D": "0"
      },
      "correct_answer": "C"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "How many tens are in 50?",
      "options": {
        "A": "3",
        "B": "10",
        "C": "5",
        "D": "0"
      },
      "correct_answer": "C"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "What is the tens digit in 73?",
      "options": {
        "A": "7",
        "B": "3",
        "C": "8",
        "D": "30"
      },
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "How many ones are in 14?",
      "options": {
        "A": "1",
        "B": "4",
        "C": "2",
        "D": "14"
      },
      "correct_answer": "B"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "What number has 2 tens and 9 ones?",
      "options": {
        "A": "92",
        "B": "29",
        "C": "20",
        "D": "9"
      },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "In 67, what is the ones digit?",
      "options": {
        "A": "7",
        "B": "6",
        "C": "0",
        "D": "9"
      },
      "correct_answer": "A"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "How many tens are in 40?",
      "options": {
        "A": "4",
        "B": "1",
        "C": "10",
        "D": "0"
      },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "What is the tens digit of 95?",
      "options": {
        "A": "5",
        "B": "9",
        "C": "4",
        "D": "8"
      },
      "correct_answer": "B"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "What number has 6 tens and 2 ones?",
      "options": {
        "A": "62",
        "B": "26",
        "C": "20",
        "D": "12"
      },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "In 18, what digit is in the ones place?",
      "options": {
        "A": "1",
        "B": "8",
        "C": "0",
        "D": "10"
      },
      "correct_answer": "B"
    },
    {
      "id": 21,
      "difficulty": "medium",
      "question": "Which number has 3 tens and 5 ones?",
      "options": {
        "A": "53",
        "B": "35",
        "C": "30",
        "D": "50"
      },
      "correct_answer": "B"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "What is the tens digit in 68?",
      "options": {
        "A": "8",
        "B": "6",
        "C": "0",
        "D": "9"
      },
      "correct_answer": "B"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "How many ones are in 47?",
      "options": {
        "A": "7",
        "B": "4",
        "C": "47",
        "D": "0"
      },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "Which number has 5 tens and 1 one?",
      "options": {
        "A": "51",
        "B": "15",
        "C": "50",
        "D": "11"
      },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "What is the ones digit of 39?",
      "options": {
        "A": "9",
        "B": "3",
        "C": "0",
        "D": "6"
      },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Which number has 4 tens and 0 ones?",
      "options": {
        "A": "14",
        "B": "40",
        "C": "4",
        "D": "44"
      },
      "correct_answer": "B"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "What is the tens digit in 72?",
      "options": {
        "A": "7",
        "B": "2",
        "C": "0",
        "D": "8"
      },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "Which number has 6 tens and 4 ones?",
      "options": {
        "A": "46",
        "B": "64",
        "C": "60",
        "D": "44"
      },
      "correct_answer": "B"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "How many tens are in 88?",
      "options": {
        "A": "8",
        "B": "88",
        "C": "0",
        "D": "10"
      },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "What is the ones digit in 53?",
      "options": {
        "A": "5",
        "B": "3",
        "C": "0",
        "D": "35"
      },
      "correct_answer": "B"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "Which number has 7 tens and 2 ones?",
      "options": {
        "A": "27",
        "B": "72",
        "C": "70",
        "D": "22"
      },
      "correct_answer": "B"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "How many ones are there in 66?",
      "options": {
        "A": "6",
        "B": "60",
        "C": "66",
        "D": "0"
      },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "What is the tens digit in 91?",
      "options": {
        "A": "1",
        "B": "0",
        "C": "9",
        "D": "2"
      },
      "correct_answer": "C"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "Which number has 5 tens and 9 ones?",
      "options": {
        "A": "59",
        "B": "95",
        "C": "50",
        "D": "90"
      },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "What is the ones digit in 74?",
      "options": {
        "A": "4",
        "B": "7",
        "C": "47",
        "D": "0"
      },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "Which number has 2 tens and 7 ones?",
      "options": {
        "A": "72",
        "B": "27",
        "C": "20",
        "D": "77"
      },
      "correct_answer": "B"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "How many tens in 63?",
      "options": {
        "A": "6",
        "B": "3",
        "C": "60",
        "D": "63"
      },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "In 48, what digit is in the tens place?",
      "options": {
        "A": "4",
        "B": "8",
        "C": "0",
        "D": "5"
      },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "Which number has 8 tens and 1 one?",
      "options": {
        "A": "18",
        "B": "81",
        "C": "80",
        "D": "11"
      },
      "correct_answer": "B"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "What is the ones digit in 99?",
      "options": {
        "A": "9",
        "B": "0",
        "C": "8",
        "D": "6"
      },
      "correct_answer": "A"
    },
    {
      "id": 41,
      "difficulty": "hard",
      "question": "Which number has 4 tens and 8 ones?",
      "options": {
        "A": "48",
        "B": "84",
        "C": "40",
        "D": "58"
      },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "What is the tens digit in 97?",
      "options": {
        "A": "9",
        "B": "7",
        "C": "0",
        "D": "1"
      },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "A number has 6 tens and 0 ones. What is it?",
      "options": {
        "A": "60",
        "B": "6",
        "C": "600",
        "D": "16"
      },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "Which number has 1 ten and 9 ones?",
      "options": {
        "A": "91",
        "B": "19",
        "C": "90",
        "D": "29"
      },
      "correct_answer": "B"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "What is the ones digit in 58?",
      "options": {
        "A": "5",
        "B": "0",
        "C": "8",
        "D": "3"
      },
      "correct_answer": "C"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "Which number is made of 7 tens and 3 ones?",
      "options": {
        "A": "37",
        "B": "73",
        "C": "70",
        "D": "30"
      },
      "correct_answer": "B"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "How many tens in 85?",
      "options": {
        "A": "5",
        "B": "8",
        "C": "80",
        "D": "50"
      },
      "correct_answer": "B"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "What is the ones digit in 64?",
      "options": {
        "A": "4",
        "B": "6",
        "C": "0",
        "D": "46"
      },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "Which number has 3 tens and 2 ones?",
      "options": {
        "A": "23",
        "B": "32",
        "C": "30",
        "D": "22"
      },
      "correct_answer": "B"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "A number has 9 tens. Which is it?",
      "options": {
        "A": "90",
        "B": "99",
        "C": "9",
        "D": "19"
      },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "What is the tens digit in 48?",
      "options": {
        "A": "4",
        "B": "8",
        "C": "40",
        "D": "18"
      },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "Which number has 5 tens and 8 ones?",
      "options": {
        "A": "85",
        "B": "58",
        "C": "50",
        "D": "80"
      },
      "correct_answer": "B"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "What is the ones digit in 73?",
      "options": {
        "A": "3",
        "B": "7",
        "C": "0",
        "D": "1"
      },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "Which number has 2 tens and 0 ones?",
      "options": {
        "A": "2",
        "B": "20",
        "C": "200",
        "D": "12"
      },
      "correct_answer": "B"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "What number has 8 tens and 9 ones?",
      "options": {
        "A": "89",
        "B": "98",
        "C": "80",
        "D": "90"
      },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "How many tens are there in 64?",
      "options": {
        "A": "6",
        "B": "4",
        "C": "60",
        "D": "46"
      },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "What is the ones digit in 91?",
      "options": {
        "A": "9",
        "B": "1",
        "C": "0",
        "D": "19"
      },
      "correct_answer": "B"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "Which number has 4 tens and 1 one?",
      "options": {
        "A": "41",
        "B": "14",
        "C": "40",
        "D": "11"
      },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "A number has 7 tens and 9 ones. What is it?",
      "options": {
        "A": "97",
        "B": "79",
        "C": "70",
        "D": "90"
      },
      "correct_answer": "B"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "How many ones are in 55?",
      "options": {
        "A": "5",
        "B": "55",
        "C": "0",
        "D": "10"
      },
      "correct_answer": "A"
    }
  ]
}