{
  "paper": {
    "school": "Tao Nan",
    "year": 2022,
    "level": "P2",
    "label": "Holistic Assessment 2",
    "source_prefix": "Tao Nan 2022 P2 Holistic Assessment 2",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 2,
      "question": "6 , 8 , 10 , 12 , ? , 16\nThe missing number is [?] .",
      "answer0": "14",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 32,
      "difficulty_id": 1,
      "explanation": "The numbers increase by 2 each time: 12 + 2 = 14.",
      "hints": ["Look at how much the numbers go up by each step.", "12 + 2 = 14, then 14 + 2 = 16."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Number sequence pattern."
    },
    {
      "n": 2,
      "type_id": 2,
      "question": "Fill in the missing number in the box.\n[?] ÷ 2 = 2 × 5",
      "answer0": "20",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 39,
      "difficulty_id": 2,
      "explanation": "2 × 5 = 10, so the box ÷ 2 = 10, which means the box = 10 × 2 = 20.",
      "hints": ["First work out 2 × 5.", "The box divided by 2 gives 10, so the box is 10 × 2."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q2",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Balance/see-saw figure showing two ovals on a beam: box ÷ 2 on the left, 2 x 5 on the right. image_page 1, lower half of page below Q2 text. Answer key shows '20 ÷ 2'."
    },
    {
      "n": 3,
      "type_id": 2,
      "question": "Write a multiplication equation for the picture.\n[?] × [?] = [?]",
      "answer0": "3",
      "answer1": "3",
      "answer2": "9",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 39,
      "difficulty_id": 2,
      "explanation": "There are 3 equal groups of 3, so 3 × 3 = 9.",
      "hints": ["Count how many equal groups there are.", "Count how many in each group, then multiply."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Three containers each holding balls. image_page 2, top of page. Answer key: 3 X 3 = 9."
    },
    {
      "n": 4,
      "type_id": 2,
      "question": "Write a division equation for the picture.\n[?] ÷ [?] = [?]",
      "answer0": "12",
      "answer1": "6",
      "answer2": "2",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 39,
      "difficulty_id": 2,
      "explanation": "There are 12 cupcakes shared into 6 equal groups, so 12 ÷ 6 = 2.",
      "hints": ["Count the total number of cupcakes.", "Count how many groups, then divide."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Six boxes each holding 2 cupcakes (12 total). image_page 2, middle/lower of page. Answer key: 12 ÷ 6 = 2."
    },
    {
      "n": 5,
      "type_id": 2,
      "question": "Titus drinks 8 glasses of water each day.\nHow many glasses of water does Titus drink in 5 days?\n[?] × [?] = [?]\nTitus drinks [?] glasses of water in 5 days.",
      "answer0": "8",
      "answer1": "5",
      "answer2": "40",
      "answer3": "40",
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 2,
      "explanation": "8 glasses per day × 5 days = 40 glasses.",
      "hints": ["Multiply glasses per day by the number of days.", "8 × 5 = 40."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q5",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Empty equation boxes are a scaffold; final answer 40. Answer key: 8 X 5 = 40, Titus drinks 40 glasses in 5 days."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "Write one multiplication equation and one division equation for the picture.\na. [?] × [?] = [?]\nb. [?] ÷ [?] = [?]",
      "answer0": "2",
      "answer1": "7",
      "answer2": "14",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 38,
      "difficulty_id": 2,
      "explanation": "There are 2 groups of 7 stars, so 2 × 7 = 14; and 14 ÷ 7 = 2.",
      "hints": ["Count the stars in each group.", "Use the same numbers for the related division fact."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Two groups of 7 stars. image_page 3, middle of page. Answer key: a) 2 x 7 = 14, b) 14 ÷ 7 = 2. Six blanks total (3 for part a, 3 for part b: division blanks are 14, 7, 2) but only answer0..3 columns available; part b answers 14 ÷ 7 = 2 captured in explanation/notes."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "Study the table.\nThe missing number is [?] .",
      "answer0": "35",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 2,
      "explanation": "Each basket holds 5 oranges (40÷8=5). For 7 baskets: 7 × 5 = 35.",
      "hints": ["Find how many oranges per basket from a known column.", "7 baskets × 5 = 35."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q7",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Two-row table: Number of baskets 8,7,6,5,4; Number of oranges 40,?,30,25,20. image_page 4, top of page. Answer key: 35."
    },
    {
      "n": 8,
      "type_id": 0,
      "question": "Cross the number that does not belong in the pattern.\n32 , 34 , 36 , 37 , 38",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 33,
      "difficulty_id": 2,
      "explanation": "The pattern counts on by 2 (even numbers): 32, 34, 36, 38. 37 is odd and does not belong.",
      "hints": ["Look at whether the numbers are even or odd.", "Which one breaks the +2 pattern?"],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q8",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Interactive cross-out task (type_id 0). Answer: cross out 37. Arrow-banner boxes containing 32, 34, 36, 37, 38. image_page 4, middle of page. Answer key: 37."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "Meiling shared 24 donuts equally with her 3 friends.\nHow many donuts did each of them receive?\nEach of them received [?] donuts.",
      "answer0": "6",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 2,
      "explanation": "Meiling and her 3 friends make 4 people. 24 ÷ 4 = 6 donuts each.",
      "hints": ["How many people share the donuts altogether (Meiling + 3 friends)?", "24 ÷ 4 = 6."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q9",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Array of 28 donuts (grouped) used to model the sharing. image_page 4, lower half of page. Answer key: 6 donuts."
    },
    {
      "n": 10,
      "type_id": 0,
      "question": "Which box is the heaviest?\nCircle the heaviest box.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 53,
      "difficulty_id": 2,
      "explanation": "The single box on the lower pan of the balance is the heaviest.",
      "hints": ["The heavier side of a balance goes down.", "Look at which pan is lower."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q10",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Interactive circle task (type_id 0). Answer: circle the heaviest box (the single box on the lower right pan). Balance scale figure. image_page 5, centre of page. Answer key shows a highlighted box (no text)."
    },
    {
      "n": 11,
      "type_id": 1,
      "question": "The mass of the woman is about 50 [?] .",
      "answer0": "g",
      "answer1": "kg",
      "answer2": "cm",
      "answer3": "m",
      "correct_answer": 1,
      "skill_id": 52,
      "difficulty_id": 1,
      "explanation": "An adult's mass is measured in kilograms; 50 kg is reasonable for a woman.",
      "hints": ["Is a person's mass measured in grams or kilograms?", "50 g would be far too light for an adult."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q11",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Word/unit answer converted to MCQ. Original asks to fill box with 'g' or 'kg'. Picture of a woman. image_page 6, top of page. Answer key: kg (index 1)."
    },
    {
      "n": 12,
      "type_id": 1,
      "question": "The pumpkin is [?] the watermelon.",
      "answer0": "lighter than",
      "answer1": "as heavy as",
      "answer2": "heavier than",
      "answer3": null,
      "correct_answer": 0,
      "skill_id": 53,
      "difficulty_id": 2,
      "explanation": "On the see-saw the pumpkin's side is higher, so the pumpkin is lighter than the watermelon.",
      "hints": ["The lighter object rises on a see-saw.", "Which side is higher?"],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q12",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Circle-the-answer converted to MCQ (3 options). See-saw with watermelon (lower) and pumpkin (higher). image_page 6, lower half of page. Answer key: lighter than (index 0)."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "Arrange the items in order of mass.\nBegin with the heaviest item.\n[?] (heaviest) , [?] , [?]",
      "answer0": "rice",
      "answer1": "oil",
      "answer2": "flour",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 53,
      "difficulty_id": 3,
      "explanation": "Rice is heavier than flour; flour is heavier than oil; so rice > oil > flour per the balances shown. Order heaviest first: rice, oil, flour.",
      "hints": ["Compare each pair using the lower (heavier) side.", "Combine the comparisons to order all three."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q13",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Ordering task converted to FIB (3 blanks, heaviest first). Three see-saw comparisons of Flour, Rice, Oil. image_page 7, full page. Answer key: rice, oil, flour."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "Arrange the items in order of mass.\nBegin with the heaviest item.\n[?] (heaviest) , [?] , [?]",
      "answer0": "Broccoli",
      "answer1": "Carrot",
      "answer2": "Brinjal",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 53,
      "difficulty_id": 2,
      "explanation": "Reading the scales: Broccoli is heaviest, then Carrot, then Brinjal.",
      "hints": ["Read the pointer on each scale.", "Larger reading means heavier."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q14",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Ordering task converted to FIB (3 blanks, heaviest first). Three weighing scales: Broccoli, Brinjal, Carrot. image_page 8, top of page. Answer key: Broccoli, Carrot, Brinjal."
    },
    {
      "n": 15,
      "type_id": 2,
      "question": "The clock shows the time Alan does his homework every day.\nWhat is the time shown?\nThe time shown is [?] pm .",
      "answer0": "3:38",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 55,
      "difficulty_id": 2,
      "explanation": "The hour hand is just past 3 and the minute hand points near 38 minutes, so the time is 3:38 pm.",
      "hints": ["Read the hour hand first.", "Count the minutes from 12 in fives."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q15",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Analogue clock figure. image_page 8, lower half of page. Answer key: 3:38pm."
    },
    {
      "n": 16,
      "type_id": 2,
      "question": "Write in minutes.\n1 h 30 min = [?] min + [?] min = [?] min",
      "answer0": "60",
      "answer1": "30",
      "answer2": "90",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 57,
      "difficulty_id": 2,
      "explanation": "1 h = 60 min, so 1 h 30 min = 60 min + 30 min = 90 min.",
      "hints": ["1 hour equals 60 minutes.", "Add the 60 min to the extra 30 min."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q16",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key writes '45 min + 45 min = 90 min', which is incorrect for the intended decomposition; the standard split is 60 + 30 = 90. Final total 90 min matches. Used 60 + 30 = 90 for the blanks."
    },
    {
      "n": 17,
      "type_id": 2,
      "question": "Write in hours and minutes.\n125 min = [?] min + [?] min = [?] h [?] min",
      "answer0": "120",
      "answer1": "5",
      "answer2": "2",
      "answer3": "5",
      "correct_answer": null,
      "skill_id": 57,
      "difficulty_id": 2,
      "explanation": "120 min = 2 h, so 125 min = 120 min + 5 min = 2 h 5 min.",
      "hints": ["How many minutes make 2 hours?", "120 min + 5 min = 125 min = 2 h 5 min."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q17",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 125 min = 120 min + 5 min = 2h 5min."
    },
    {
      "n": 18,
      "type_id": 2,
      "question": "Peter reached the library at 3:00 pm.\nHe left the library at 4:10 pm.\nHow long did he spend at the library?\nHe spent [?] at the library.",
      "answer0": "1 h 10 min",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 58,
      "difficulty_id": 2,
      "explanation": "From 3:00 pm to 4:00 pm is 1 hour, then to 4:10 pm is 10 more minutes: 1 h 10 min.",
      "hints": ["Count whole hours first, then the extra minutes.", "3:00 to 4:00 is 1 h; 4:00 to 4:10 is 10 min."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q18",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 1 hour 10 min."
    },
    {
      "n": 19,
      "type_id": 2,
      "question": "Mr Lim went to the market at 8:15 am.\nHe left the market at 9:30 am.\nHow long was he there?\nHe was at the market for [?] .",
      "answer0": "1 h 15 min",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 58,
      "difficulty_id": 2,
      "explanation": "From 8:15 am to 9:15 am is 1 hour, then to 9:30 am is 15 more minutes: 1 h 15 min.",
      "hints": ["Count one whole hour first.", "8:15 to 9:15 is 1 h; 9:15 to 9:30 is 15 min."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q19",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "Two analogue clocks (8:15 and 9:30) with an arrow. image_page 10, lower half of page. Answer key: 1 hour 15 min."
    },
    {
      "n": 20,
      "type_id": 2,
      "question": "Sally sewed 45 buttons on 5 shirts.\nShe sewed the same number of buttons on each shirt.\nHow many buttons were there on each shirt?\nThere were [?] buttons on each shirt.",
      "answer0": "9",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 2,
      "explanation": "45 buttons shared equally over 5 shirts: 45 ÷ 5 = 9 buttons per shirt.",
      "hints": ["Share the total buttons over the shirts.", "45 ÷ 5 = 9."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q20",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Empty equation boxes are a scaffold; final answer 9. Answer key: 45 ÷ 5 = 9."
    },
    {
      "n": 21,
      "type_id": 2,
      "question": "Daniel bought 50 lollipops for his birthday party.\nHe packed 5 lollipops into each goodie bag.\nHow many goodie bags were there?\nThere were [?] goodie bags.",
      "answer0": "10",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 2,
      "explanation": "50 lollipops in groups of 5: 50 ÷ 5 = 10 goodie bags.",
      "hints": ["Divide the total by the number in each bag.", "50 ÷ 5 = 10."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q21",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Empty equation boxes are a scaffold; final answer 10. Answer key: 50 ÷ 5 = 10."
    },
    {
      "n": 22,
      "type_id": 2,
      "question": "Joanne started her Art class at 5:35 pm.\nHer Art class ended at 7:00 pm.\nHow long did her Art class last?\nHer Art class lasted for [?] .",
      "answer0": "1 h 25 min",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 58,
      "difficulty_id": 3,
      "explanation": "5:35 pm to 6:35 pm is 1 hour, then 6:35 pm to 7:00 pm is 25 minutes: 1 h 25 min.",
      "hints": ["Count one whole hour from 5:35 first.", "5:35 to 6:35 is 1 h; 6:35 to 7:00 is 25 min."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q22",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "notes": "The 'draw a timeline' scaffold is working only; final answer is the duration 1 h 25 min. Two clocks (5:35 and 7:00). image_page 12, top of page. Answer key: 1h 25min."
    },
    {
      "n": 23,
      "type_id": 2,
      "question": "Mrs Lim bakes 305 g of oat cookies and chocolate cookies.\nThe mass of the chocolate cookies is 120 g.\n(a) What is the mass of oat cookies?\n(b) How much heavier are the oat cookies than the chocolate cookies?\nThe mass of the oat cookies is [?] g.\nThe oat cookies are [?] g heavier than the chocolate cookies.",
      "answer0": "185",
      "answer1": "65",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 35,
      "difficulty_id": 3,
      "explanation": "(a) 305 g - 120 g = 185 g of oat cookies. (b) 185 g - 120 g = 65 g heavier.",
      "hints": ["Subtract the chocolate-cookie mass from the total.", "For part (b) compare the two masses by subtracting."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q23",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Two parts (a)=185 g, (b)=65 g. Answer key: a) 305-120=185, b) 185-120=65."
    },
    {
      "n": 24,
      "type_id": 2,
      "question": "Mr Wong sold 307 kg of flour on Monday.\nHe sold 128 kg more flour on Monday than on Tuesday.\n(a) How much flour did Mr Wong sell on Tuesday?\n(b) How much flour did he sell on both days?\nMr Wong sold [?] kg of flour on Tuesday.\nHe sold [?] kg of flour on both days.",
      "answer0": "179",
      "answer1": "486",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 35,
      "difficulty_id": 3,
      "explanation": "(a) Tuesday = 307 - 128 = 179 kg. (b) Both days = 307 + 179 = 486 kg.",
      "hints": ["Monday is 128 kg more than Tuesday, so subtract for Tuesday.", "Add Monday and Tuesday for the total."],
      "source": "Tao Nan 2022 P2 Holistic Assessment 2 Q24",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Two parts (a)=179 kg, (b)=486 kg. Answer key: a) 307-128=179, b) 307+179=486."
    }
  ]
}