{ "paper": { "school": "Red Swastika", "year": 2022, "level": "P3", "label": "Weighted Assessment 2", "source_prefix": "Red Swastika 2022 P3 Weighted Assessment 2", "has_answer_key": true, "notes": "PDF contains two papers: Class Test 1 (pages 1-5, key p.15) and Class Test 2 dated 5 Aug 2022 (pages 7-14, key p.16). The WA2 .url maps to Class Test 2, which is ingested here. Answer key on page 16 cross-checked for every question." }, "questions": [ { "n": 1, "type_id": 1, "question": "Peter had $1.80 in his wallet.\nWhich set of coins could he possibly have?", "answer0": "Set 1", "answer1": "Set 2", "answer2": "Set 3", "answer3": "Set 4", "correct_answer": 3, "skill_id": 82, "difficulty_id": 2, "explanation": "Set 4 is two 50c coins and four 20c coins: 50c + 50c + 20c + 20c + 20c + 20c = $1.00 + $0.80 = $1.80.", "hints": ["Add up the value of all the coins in each set.", "Look for the set that totals exactly $1.80 ($1.00 + $0.80)."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q1", "image_needed": true, "image_options": true, "image_page": 7, "image_loc": "four boxed coin sets (1)-(4) stacked vertically below the question", "image_file": null, "notes": "Image-option MCQ: each option is a picture of a coin set. Key=option 4. Crop each option to q1_opt0..q1_opt3.png. Set 4 = 50c,50c,20c,20c,20c,20c = $1.80." }, { "n": 2, "type_id": 1, "question": "Four students have written the following statements in their books.\nWhich one of the following statements is correct?", "answer0": "230 cm = 2 m 3 cm", "answer1": "203 cm = 2 m 3 cm", "answer2": "230 m = 2 km 30 m", "answer3": "2030 m = 20 km 30 m", "correct_answer": 1, "skill_id": 86, "difficulty_id": 2, "explanation": "203 cm = 200 cm + 3 cm = 2 m 3 cm. The other conversions are wrong.", "hints": ["100 cm = 1 m and 1000 m = 1 km.", "Convert each statement and check which one balances."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q2", "image_needed": false, "image_options": false, "image_page": null, "image_loc": null, "image_file": null, "notes": "Key=option 2 (0-based index 1)." }, { "n": 3, "type_id": 1, "question": "A highlighter costs $2.20. An eraser costs $0.45.\nWhat is the total cost of a highlighter and two erasers?", "answer0": "$2.65", "answer1": "$3.10", "answer2": "$4.85", "answer3": "$5.30", "correct_answer": 1, "skill_id": 83, "difficulty_id": 2, "explanation": "Two erasers cost 2 x $0.45 = $0.90. Total = $2.20 + $0.90 = $3.10.", "hints": ["Find the cost of two erasers first.", "Add the highlighter cost to the cost of the two erasers."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q3", "image_needed": false, "image_options": false, "image_page": null, "image_loc": null, "image_file": null, "notes": "Key=option 2 (0-based index 1)." }, { "n": 4, "type_id": 1, "question": "In which month did Marcus save the most amount of money?", "answer0": "January", "answer1": "February", "answer2": "March", "answer3": "April", "correct_answer": 3, "skill_id": 104, "difficulty_id": 1, "explanation": "From the bar graph, April has the longest bar (about $310), the largest amount saved.", "hints": ["The longest bar shows the most money saved.", "Compare the lengths of all five bars."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q4", "image_needed": true, "image_options": false, "image_page": 8, "image_loc": "horizontal bar graph 'Amount saved' (months Jan-May), lower half of the page; shared by Q4, Q5 and Q6", "image_file": null, "notes": "Shared bar graph (page 8). Key=option 4. Marcus saved most in April." }, { "n": 5, "type_id": 1, "question": "Marcus saved twice as much in March than in [?].", "answer0": "January", "answer1": "February", "answer2": "April", "answer3": "May", "correct_answer": 0, "skill_id": 104, "difficulty_id": 2, "explanation": "March is about $150. Twice $150 means the other month is about $75 - but reading the graph, January (about $75) is the month March is twice of: 2 x January = March.", "hints": ["Read March's value from the graph, then halve it.", "Find the month whose bar is half the length of March's bar."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q5", "image_needed": true, "image_options": false, "image_page": 8, "image_loc": "same horizontal bar graph 'Amount saved' on page 8 (shared with Q4 and Q6)", "image_file": null, "notes": "Stem printed as MCQ with a blank ('twice as much in March than in ___'); options 1-4. Key=option 1 (January), 0-based index 0. Shared bar graph page 8." }, { "n": 6, "type_id": 1, "question": "What is the difference in savings between the month with the most savings and the month with the least savings?", "answer0": "$240", "answer1": "$280", "answer2": "$290", "answer3": "$360", "correct_answer": 1, "skill_id": 104, "difficulty_id": 2, "explanation": "Most saved = April (about $310); least saved = May (about $30). Difference = $310 - $30 = $280.", "hints": ["Find the longest and shortest bars.", "Subtract the smallest amount from the largest amount."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q6", "image_needed": true, "image_options": false, "image_page": 8, "image_loc": "same horizontal bar graph 'Amount saved' on page 8 (shared with Q4 and Q5)", "image_file": null, "notes": "Key=option 2 ($280), 0-based index 1. Shared bar graph page 8." }, { "n": 7, "type_id": 1, "question": "The figure shows 2 identical pears and a watermelon on a weighing scale. The mass of the watermelon is 3200 g.\nWhat is the mass of one such pear?", "answer0": "200 g", "answer1": "400 g", "answer2": "2800 g", "answer3": "3000 g", "correct_answer": 0, "skill_id": 87, "difficulty_id": 2, "explanation": "The scale reads 3600 g for everything. Mass of 2 pears = 3600 g - 3200 g = 400 g. One pear = 400 g / 2 = 200 g.", "hints": ["Read the total mass from the scale dial.", "Subtract the watermelon's mass, then halve the result for one pear."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q7", "image_needed": true, "image_options": false, "image_page": 10, "image_loc": "weighing-scale figure (2 pears + watermelon on a kitchen dial scale reading ~3.6 kg) in the upper half of the page, below the question", "image_file": null, "notes": "Key=option 1 (200 g), 0-based index 0. Scale dial reads ~3600 g total." }, { "n": 8, "type_id": 1, "question": "Ahmad walked from his house to the library and then to the shopping mall. He took the same route back home. What was the total distance Ahmad travelled?", "answer0": "250 m", "answer1": "400 m", "answer2": "550 m", "answer3": "800 m", "correct_answer": 3, "skill_id": 87, "difficulty_id": 2, "explanation": "House to library = 275 m, library to mall = 125 m. One way = 275 + 125 = 400 m. Same route back doubles it: 400 x 2 = 800 m.", "hints": ["Add the two distances for the one-way trip.", "He walks there and back, so double the one-way distance."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q8", "image_needed": true, "image_options": false, "image_page": 10, "image_loc": "horizontal route diagram House - Library - Shopping Mall with 275 m and 125 m labels, lower half of the page", "image_file": null, "notes": "Key=option 4 (800 m), 0-based index 3. Distances 275 m + 125 m, round trip." }, { "n": 9, "type_id": 1, "question": "John spent a total of $12 buying an equal number of cans of orange and apple juice.\nHow many cans of apple juice did he buy?", "answer0": "6", "answer1": "9", "answer2": "3", "answer3": "4", "correct_answer": 3, "skill_id": 76, "difficulty_id": 2, "explanation": "Orange juice $1, apple juice $2; together one of each costs $3. $12 / $3 = 4 pairs, so he bought 4 cans of apple juice.", "hints": ["One can of each costs $1 + $2 = $3.", "Divide the total $12 by the cost of one orange-and-apple pair."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q9", "image_needed": true, "image_options": false, "image_page": 11, "image_loc": "two labelled price cards: an orange-juice can 'Orange juice Price: $1' and an apple-juice can 'Apple juice Price: $2', side by side in the upper half of the page", "image_file": null, "notes": "Key=option 4 (4), 0-based index 3. Prices ($1 orange, $2 apple) appear in the figure." }, { "n": 10, "type_id": 1, "question": "Felicia had $100 at first.\nShe had $51.50 left after buying two items.\nWhich of these two items did she buy?", "answer0": "Kite and Rollerblade", "answer1": "Kite and Board game", "answer2": "Rollerblade and Soft toy", "answer3": "Soft toy and Board game", "correct_answer": 3, "skill_id": 83, "difficulty_id": 2, "explanation": "She spent $100 - $51.50 = $48.50. Soft toy $28.50 + Board game $20.00 = $48.50.", "hints": ["First find how much she spent: $100 - $51.50.", "Find the pair of items whose prices add up to that amount."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q10", "image_needed": true, "image_options": false, "image_page": 11, "image_loc": "four labelled price cards in a row: Kite $29.50, Rollerblade $23.00, Soft toy $28.50, Board game $20.00, lower half of the page", "image_file": null, "notes": "Key=option 4 (Soft toy and Board game), 0-based index 3. Item prices come from the figure; the four text options are item-name pairs (not pictures)." }, { "n": 11, "type_id": 2, "question": "A ticket to the zoo costs $31.\nJane has the following amount of money in her wallet.\nHow much more money does she need to pay for a ticket?", "answer0": "$18.85", "answer1": null, "answer2": null, "answer3": null, "correct_answer": null, "skill_id": 83, "difficulty_id": 2, "explanation": "Jane's money totals $31 - $18.85 = $12.15 (a $10 note, a $2 note, a 10c coin and a 5c coin). She needs $31 - $12.15 = $18.85 more.", "hints": ["Add up the value of the notes and coins in the wallet.", "Subtract Jane's money from the $31 ticket price."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q11", "image_needed": true, "image_options": false, "image_page": 12, "image_loc": "a row of money: two notes and two coins (a $10 note, a $2 note, a 10c coin and a 5c coin) in the upper-middle of the page, below the question", "image_file": null, "notes": "FIB, single blank. Key=$18.85. Wallet money ($12.15) shown only in the figure; the figure is REQUIRED to solve. Notes/coins are scanned dark; record as money figure." }, { "n": 12, "type_id": 2, "question": "Look at the numbers in the box.\nFill in the blanks with the numbers from the box.\nUse each number once only.\n1 , 2 , 12 , 120\nMary is arranging some books on the bookshelf.\nThe height of the bookshelf is about [?] m.\nMary is about [?] m [?] cm tall.", "answer0": "2", "answer1": "1", "answer2": "12", "answer3": null, "correct_answer": null, "skill_id": 86, "difficulty_id": 2, "explanation": "A bookshelf is about 2 m tall. A person is about 1 m 12 cm tall (a P3 child). 120 is not used.", "hints": ["Pick a sensible real-life height for each blank.", "Each number is used at most once; one of the four numbers is left over."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q12", "image_needed": true, "image_options": false, "image_page": 12, "image_loc": "a tall bookshelf picture to the right of the question text (scanned very dark); the number box '1 , 2 , 12 , 120' is part of the printed text", "image_file": null, "notes": "FIB, three blanks in order: bookshelf 2 (m), Mary 1 (m) 12 (cm). Key='2 m, 1 m 12 cm'. 120 is a decoy and stays unused. Bookshelf picture is decorative context; figure scanned dark." }, { "n": 13, "type_id": 1, "question": "Rahim scored 4 points less than [?].", "answer0": "Vincent", "answer1": "Susan", "answer2": "Wendy", "answer3": "Ashley", "correct_answer": 1, "skill_id": 102, "difficulty_id": 2, "explanation": "From the bar graph Rahim scored 23 points. 23 + 4 = 27, which matches Susan's score (the highest). So Rahim scored 4 points less than Susan.", "hints": ["Read Rahim's score from the graph, then add 4.", "Find the child whose score is 4 more than Rahim's."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q13", "image_needed": true, "image_options": false, "image_page": 13, "image_loc": "vertical bar graph 'Points scored' (Vincent, Rahim, Susan, Wendy, Ashley) at the top of the page; Wendy's and Ashley's bars are partly covered by an ink blot; shared with Q14", "image_file": null, "notes": "Original is a write-in answer (word). Converted to MCQ per word-answer rule; 4 named children from the graph as options. Key=Susan, 0-based index 1. Shared bar graph page 13." }, { "n": 14, "type_id": 2, "question": "Wendy and Ashley scored a total of 49 points.\na) What could be Wendy's score?\nb) What could be Ashley's score?\nWendy's score is [?] and Ashley's score is [?].", "answer0": "26", "answer1": "23", "answer2": null, "answer3": null, "correct_answer": null, "skill_id": 102, "difficulty_id": 3, "explanation": "The two scores are covered by ink but Susan has the highest score (27) and Vincent the least. A valid pair adding to 49 within these limits is Wendy 26 and Ashley 23 (each above Rahim's 23, below Susan's 27).", "hints": ["The two scores must add up to 49.", "Both must be less than Susan's highest score and more than Vincent's least score."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q14", "image_needed": true, "image_options": false, "image_page": 13, "image_loc": "same vertical bar graph 'Points scored' on page 13 (shared with Q13); Wendy and Ashley bars partly hidden by an ink blot", "image_file": null, "notes": "FIB, two blanks (a then b). Key a)=26, b)=23 (sum 49). Open-ended 'what could be' question; the key gives one accepted pair. Shared bar graph page 13." }, { "n": 15, "type_id": 2, "question": "The containers are filled to the brim with water.\nHow many Container B are needed to fill up Container C?", "answer0": "6", "answer1": null, "answer2": null, "answer3": null, "correct_answer": null, "skill_id": 87, "difficulty_id": 3, "explanation": "Container A fills 2 beakers; Container B fills 1 beaker (so A = 2 B). Container C fills 3 of Container A, so C = 3 x 2 B = 6 B. 6 Container B are needed.", "hints": ["Compare how many beakers A fills versus B to find how A and B relate.", "Container C fills 3 of Container A; convert that into Container B."], "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q15", "image_needed": true, "image_options": false, "image_page": 14, "image_loc": "three rows of figures: jug A -> 2 beakers; bowl B -> beakers; round jar C -> 3 jugs, upper half of the page", "image_file": null, "notes": "FIB, single blank. Key=6. Volumes/equivalences (A fills 2 beakers, B fills 1 beaker, C fills 3 of A) are shown only in the figure; figure is REQUIRED. Some beaker fills scanned dark." } ] }