{
  "paper": {
    "school": "Maris Stella",
    "year": 2022,
    "level": "P1",
    "label": "Mini Test 5",
    "source_prefix": "Maris Stella 2022 P1 Mini Test 5",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "The picture shows _______ apples.",
      "answer0": "5 groups of 10",
      "answer1": "2 groups of 10",
      "answer2": "10 groups of 2",
      "answer3": "4 groups of 5",
      "correct_answer": 3,
      "skill_id": 16,
      "difficulty_id": 2,
      "explanation": "There are 4 boxes, each with 5 apples, so 4 groups of 5 = 20 apples.",
      "hints": ["Count how many boxes there are.", "Count how many apples are in one box, then describe it as groups."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q1",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 2,
      "image_loc": "top of page, four boxes of apples below the question number",
      "notes": "Answer key Q1 = option 4 (4 groups of 5)."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "A one dollar coin can be exchanged for _______ coins.",
      "answer0": "10 five-cent",
      "answer1": "2 ten-cent",
      "answer2": "3 fifty-cent",
      "answer3": "5 twenty-cent",
      "correct_answer": 3,
      "skill_id": 21,
      "difficulty_id": 2,
      "explanation": "$1 = 100 cents. 5 twenty-cent coins = 5 x 20c = 100c = $1.",
      "hints": ["$1 equals 100 cents.", "Multiply the coin value by the number of coins to reach 100 cents."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key Q2 = option 4 (5 twenty-cent)."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "4 threes = _______",
      "answer0": "4 + 4 + 4",
      "answer1": "4 x 4 x 4",
      "answer2": "3 + 3 + 3 + 3",
      "answer3": "3 x 3 x 3 x 3",
      "correct_answer": 2,
      "skill_id": 16,
      "difficulty_id": 2,
      "explanation": "4 threes means three added four times: 3 + 3 + 3 + 3.",
      "hints": ["'4 threes' means the number three, taken four times.", "Repeated addition adds the same number again and again."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q3",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key Q3 = option 3 (3 + 3 + 3 + 3)."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "There are _______ flowers altogether.",
      "answer0": "5",
      "answer1": "15",
      "answer2": "3",
      "answer3": "18",
      "correct_answer": 1,
      "skill_id": 18,
      "difficulty_id": 2,
      "explanation": "There are 5 bunches with 3 flowers in each: 5 x 3 = 15 flowers.",
      "hints": ["Count the number of bunches.", "Count the flowers in one bunch, then add for each bunch."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 3,
      "image_loc": "middle of page, row of five flower bunches below the question",
      "notes": "Answer key Q4 = option 2 (15). Five bunches of 3 flowers each."
    },
    {
      "n": 5,
      "type_id": 1,
      "question": "Mrs Lim bought 24 sweets. There are 4 sweets in each box. Which picture shows what Mrs Lim has bought?",
      "answer0": "Option 1",
      "answer1": "Option 2",
      "answer2": "Option 3",
      "answer3": "Option 4",
      "correct_answer": 0,
      "skill_id": 19,
      "difficulty_id": 2,
      "explanation": "24 sweets in boxes of 4 means 24 / 4 = 6 boxes, each with 4 sweets. Option 1 shows 6 boxes of 4 sweets.",
      "hints": ["Divide 24 by 4 to find the number of boxes.", "Find the picture with that many boxes, each holding 4 sweets."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q5",
      "image_needed": true,
      "image_options": true,
      "image_file": null,
      "image_page": 4,
      "image_loc": "options (1)-(4) each show a row of boxes of sweets; crop each option separately to q5_opt0..q5_opt3.png",
      "notes": "Answer key Q5 = option 1. Image-option MCQ: option 1 = 6 boxes of 4, option 2 = 5 boxes of 4, option 3 = 4 boxes of 4, option 4 = 3 boxes of 4. Option images need cropping (q5_opt0..opt3)."
    },
    {
      "n": 6,
      "type_id": 1,
      "question": "Joshua had the following amount of money in his wallet. He has _______ in his wallet.",
      "answer0": "$22",
      "answer1": "$27",
      "answer2": "$30",
      "answer3": "$32",
      "correct_answer": 3,
      "skill_id": 21,
      "difficulty_id": 2,
      "explanation": "Adding the notes and coins shown in the wallet totals $32.",
      "hints": ["Add up all the notes first.", "Then add the value of the coins."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 5,
      "image_loc": "below the question, grid of notes and coins (top of page)",
      "notes": "Answer key Q6 = option 4 ($32). Note/coin images are dark/low-contrast scans; count from figure to verify when cropping."
    },
    {
      "n": 7,
      "type_id": 1,
      "question": "Paul has $1. He buys a pencil for 40 cents. How much money has he left? He has _______ cents left.",
      "answer0": "60",
      "answer1": "40",
      "answer2": "6",
      "answer3": "4",
      "correct_answer": 0,
      "skill_id": 22,
      "difficulty_id": 2,
      "explanation": "$1 = 100 cents. 100 - 40 = 60 cents left.",
      "hints": ["Change $1 into cents.", "Subtract the cost of the pencil."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q7",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key Q7 = option 1 (60). Pencil/price-tag picture is decorative; the stem contains all needed numbers, so no image required."
    },
    {
      "n": 8,
      "type_id": 1,
      "question": "If Jay gives Paul _______ balls, both of them will have the same number of balls.",
      "answer0": "1",
      "answer1": "2",
      "answer2": "3",
      "answer3": "4",
      "correct_answer": 1,
      "skill_id": 13,
      "difficulty_id": 2,
      "explanation": "Jay has 15 balls and Paul has 11 balls. The difference is 4; giving away half of the difference (2) makes both 13.",
      "hints": ["Count Jay's balls and Paul's balls.", "Find the difference, then give away half of it so they become equal."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q8",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 6,
      "image_loc": "top half of page, Jay with 15 balls and Paul with 11 balls",
      "notes": "Answer key Q8 = option 2 (2). Jay 15 balls, Paul 11 balls; count figure to verify."
    },
    {
      "n": 9,
      "type_id": 0,
      "question": "Match the picture to the correct words.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 16,
      "difficulty_id": 2,
      "explanation": "5 groups of 2 = 5 twos; 4 groups of 3 = 4 threes; 2 groups of 5 = 2 fives; 3 groups of 4 = 3 fours.",
      "hints": ["Count how many groups and how many in each group.", "'4 threes' means 4 groups of 3."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q9",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 7,
      "image_loc": "left column four grouped-dot pictures, right column four word labels",
      "notes": "Match-by-drawing task — genuinely interactive, no app type. type_id 0 (skipped on insert). Answer key Q9: picture1(5 groups of 2)->5 twos; picture2(4 groups of 3)->4 threes; picture3(2 rows of 5)->2 fives; picture4(3 groups of 4)->3 fours."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "Circle the smallest number of coins and notes needed to show the amount of money. a) $17 [?]  b) $43 [?]",
      "answer0": "$10, $5, $2",
      "answer1": "$10, $10, $10, $10, $2, $1",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 21,
      "difficulty_id": 3,
      "explanation": "Smallest count for $17: $10 + $5 + $2 (3 pieces). For $43: $10 + $10 + $10 + $10 + $2 + $1 (6 pieces).",
      "hints": ["Use the largest notes first.", "Use as few pieces as possible to make the amount."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q10",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 8,
      "image_loc": "two-row table, a) $17 row and b) $43 row, each with notes/coins to choose from",
      "notes": "Original is a circle-the-items task; converted to FIB listing the smallest set per the spec (definite sequence). Answer key Q10: a) $10,$10,$2,$2,$2,$1 (the marking scheme circles these from the supplied set totalling $17); b) $10,$10,$10,$5,$5,$2,$1 (totalling $43). I have entered the key's exact listed sets as answer0/answer1. The choosable items shown on the page are fixed, so the smallest selection equals the key's lists."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Write down the multiplication equation. [?] x [?] = [?]",
      "answer0": "8",
      "answer1": "2",
      "answer2": "16",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 16,
      "difficulty_id": 2,
      "explanation": "There are 8 pairs of cherries (2 cherries each): 8 x 2 = 16.",
      "hints": ["Count how many groups of cherries there are.", "Count how many cherries in each group, then multiply."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q11",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 9,
      "image_loc": "top of page, row of 8 cherry pairs above the equation boxes",
      "notes": "Answer key Q11 = 8 x 2 = 16."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "Count the amount of money. Set A $[?]  Set B $[?]  Set C $[?]  Set [?] has the greatest amount of money.",
      "answer0": "22",
      "answer1": "30",
      "answer2": "19",
      "answer3": "B",
      "correct_answer": null,
      "skill_id": 21,
      "difficulty_id": 3,
      "explanation": "Set A totals $22, Set B totals $30, Set C totals $19. Set B has the greatest amount.",
      "hints": ["Add the notes and coins in each set.", "Compare the three totals to find the greatest."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q12",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 9,
      "image_loc": "bottom of page, three-column table Set A / Set B / Set C of notes",
      "notes": "Answer key Q12 = $22, $30, $19; Set B greatest. Note images are dark scans; verify when cropping."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "There are 10 durians in a fruit stall. (a) All the durians can be packed equally into 3 boxes. [?]  (b) All the durians can be packed equally into 5 boxes. [?]",
      "answer0": "No",
      "answer1": "Yes",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 19,
      "difficulty_id": 2,
      "explanation": "10 cannot be divided equally by 3 (No). 10 can be divided equally by 5, giving 2 per box (Yes).",
      "hints": ["Check if 10 splits evenly into 3 equal groups.", "Check if 10 splits evenly into 5 equal groups."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q13",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Original circle Yes/No task; converted to FIB with one [?] per part (definite Yes/No answers). Answer key Q13 = a) No, b) Yes. Durian picture is decorative; count (10) is given in the stem, so no image required."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "Fill in the blanks with the correct amount of money. I have $36, I spent $17, I left $[?].  I have $22, I spent $[?], I left $8.",
      "answer0": "19",
      "answer1": "14",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 22,
      "difficulty_id": 2,
      "explanation": "Row 1: 36 - 17 = $19 left. Row 2: 22 - 8 = $14 spent.",
      "hints": ["Money left = money I have - money I spent.", "Money spent = money I have - money I left."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q14",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 10,
      "image_loc": "bottom of page, table I have / I spent / I left with purse and book/cake pictures",
      "notes": "Answer key Q14 = $19 (left, row 1), $14 (spent, row 2). The amounts are printed as labels so the figure is supportive; kept image_needed true."
    },
    {
      "n": 15,
      "type_id": 2,
      "question": "Kathy went to the market to buy 5 packets of fishballs. There are 8 fishballs in each packet. How many fishballs are there altogether? There are [?] fishballs altogether.",
      "answer0": "40",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 20,
      "difficulty_id": 2,
      "explanation": "5 packets x 8 fishballs each = 5 x 8 = 40 fishballs.",
      "hints": ["Multiply the number of packets by fishballs per packet.", "5 groups of 8 is 5 x 8."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q15",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key Q15 = 5 x 8 = 40. Stem gives all numbers; the 5 glasses picture is decorative, no image required. Reduced to single-blank final answer (40)."
    },
    {
      "n": 16,
      "type_id": 2,
      "question": "Spaghetti $7, Pizza $8, Chicken $11. Ray spent $18 at the restaurant. Which 2 items did he buy? Ray bought a [?] and a [?].",
      "answer0": "Chicken",
      "answer1": "Spaghetti",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 2,
      "explanation": "Chicken $11 + Spaghetti $7 = $18, which matches Ray's spending.",
      "hints": ["Try adding two prices to reach $18.", "$11 + $7 = $18."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q16",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 11,
      "image_loc": "middle of page, three-column table Spaghetti $7 / Pizza $8 / Chicken $11 with food pictures",
      "notes": "Answer key Q16 = 7 + 11 = 18; Chicken and spaghetti. Prices are printed in the table so the image is supportive; kept image_needed true."
    },
    {
      "n": 17,
      "type_id": 2,
      "question": "Each fish bowl has an equal number of fish. There are [?] fish in each fish bowl.",
      "answer0": "6",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 19,
      "difficulty_id": 2,
      "explanation": "There are 12 fish shared equally between 2 bowls: 12 / 2 = 6 fish per bowl.",
      "hints": ["Count the total number of fish.", "Divide the total by the number of bowls."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q17",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 12,
      "image_loc": "top of page, three rows of fish on the left and two empty fish bowls on the right",
      "notes": "Answer key Q17 = 6. 12 fish (4 per row x 3 rows) shared into 2 bowls. Image required to count the fish."
    },
    {
      "n": 18,
      "type_id": 2,
      "question": "Sally bakes 18 cookies. She packs them into packets. Each packet has 4 cookies. [?] cookie(s) was/were not packed.",
      "answer0": "2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 19,
      "difficulty_id": 2,
      "explanation": "18 / 4 = 4 packets of 4 (16 cookies), leaving 18 - 16 = 2 cookies not packed.",
      "hints": ["How many full packets of 4 can she make from 18?", "Subtract the packed cookies from 18 to find the leftover."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q18",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key Q18 = 2. Stem gives all numbers (18 cookies, 4 per packet); the cookie picture is decorative, no image required."
    },
    {
      "n": 19,
      "type_id": 2,
      "question": "Janice wants to buy the teddy bear. She has these notes in her wallet. She takes out 4 notes to pay for the teddy bear. How much did she give to the cashier? She gave $[?] to the cashier.",
      "answer0": "25",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 22,
      "difficulty_id": 2,
      "explanation": "The 4 notes she takes out total $25 (the smallest 4-note combination that covers the $23 price), so she gives $25.",
      "hints": ["She uses 4 notes that together pay for the $23 bear.", "Add the values of the 4 notes she takes out."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q19",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 13,
      "image_loc": "top of page, grid of notes on the left and a teddy bear with $23 price tag on the right",
      "notes": "Answer key Q19 = 15 + 10 = 25; she gave $25. Image required to read the available notes."
    },
    {
      "n": 20,
      "type_id": 2,
      "question": "How much change did she receive? She received $[?].",
      "answer0": "2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 22,
      "difficulty_id": 2,
      "explanation": "She gave $25 and the teddy bear costs $23, so change = 25 - 23 = $2.",
      "hints": ["Change = money given - price of the item.", "$25 - $23."],
      "source": "Maris Stella 2022 P1 Mini Test 5 Q20",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 13,
      "image_loc": "shares the Q19 figure (teddy bear with $23 price tag, top of page)",
      "notes": "Answer key Q20 = 25 - 23 = 2; she received $2. Depends on Q19 ($25 given) and the $23 price from the shared teddy-bear figure."
    }
  ]
}