[
  {
    "id": "C001",
    "skill": "counting",
    "difficulty": 1,
    "age_band": "5-6",
    "stem_en": "How many apples?",
    "stem_fr": "Combien de pommes?",
    "stem_kin": "Pome zingahe?",
    "visual": "apples_3",
    "answer_int": 3,
    "tts_en": "tts/en/c001.wav",
    "tts_fr": "tts/fr/c001.wav",
    "tts_kin": "tts/kin/c001.wav"
  },
  {
    "id": "C002",
    "skill": "counting",
    "difficulty": 2,
    "age_band": "5-6",
    "stem_en": "How many goats?",
    "stem_fr": "Combien de chèvres?",
    "stem_kin": "Ihene zingahe?",
    "visual": "goats_5",
    "answer_int": 5
  },
  {
    "id": "N001",
    "skill": "number_sense",
    "difficulty": 3,
    "age_band": "6-7",
    "stem_en": "Which number is bigger: 4 or 7?",
    "stem_fr": "Quel nombre est plus grand: 4 ou 7?",
    "stem_kin": "Ni iyihe nimero nini: 4 cyangwa 7?",
    "visual": "compare_4_7",
    "answer_int": 7
  },
  {
    "id": "A001",
    "skill": "addition",
    "difficulty": 3,
    "age_band": "6-7",
    "stem_en": "2 plus 3 equals?",
    "stem_fr": "2 plus 3 égale?",
    "stem_kin": "2 + 3 ni angahe?",
    "visual": "beads_2_plus_3",
    "answer_int": 5
  },
  {
    "id": "A002",
    "skill": "addition",
    "difficulty": 5,
    "age_band": "7-8",
    "stem_en": "Sara has 4 mangoes and gets 5 more. How many now?",
    "answer_int": 9,
    "visual": "mangoes_4_plus_5"
  },
  {
    "id": "S001",
    "skill": "subtraction",
    "difficulty": 4,
    "age_band": "7-8",
    "stem_en": "8 minus 3 equals?",
    "answer_int": 5,
    "visual": "drums_8_minus_3"
  },
  {
    "id": "S002",
    "skill": "subtraction",
    "difficulty": 6,
    "age_band": "8-9",
    "stem_en": "If a basket has 12 beans and you eat 7, how many remain?",
    "answer_int": 5,
    "visual": "beans_basket_12"
  },
  {
    "id": "W001",
    "skill": "word_problem",
    "difficulty": 6,
    "age_band": "8-9",
    "stem_en": "Three children share 9 cookies equally. How many does each get?",
    "answer_int": 3,
    "visual": "kids_3_cookies_9"
  },
  {
    "id": "W002",
    "skill": "word_problem",
    "difficulty": 8,
    "age_band": "8-9",
    "stem_en": "A tomato costs 100 RWF. Mama has 850 RWF. How many tomatoes can she buy?",
    "answer_int": 8,
    "visual": "rwf_850_tomato_100"
  },
  {
    "id": "N002",
    "skill": "number_sense",
    "difficulty": 7,
    "age_band": "8-9",
    "stem_en": "What number comes between 47 and 49?",
    "answer_int": 48
  },
  {
    "id": "A003",
    "skill": "addition",
    "difficulty": 8,
    "age_band": "8-9",
    "stem_en": "27 + 14 equals?",
    "answer_int": 41
  },
  {
    "id": "S003",
    "skill": "subtraction",
    "difficulty": 9,
    "age_band": "8-9",
    "stem_en": "62 - 28 equals?",
    "answer_int": 34
  }
]