{ "paper": { "school": "Red Swastika", "year": 2023, "level": "P4", "label": "Weighted Assessment 1", "source_prefix": "Red Swastika 2023 P4 Weighted Assessment 1", "has_answer_key": true }, "questions": [ { "n": 1, "type_id": 1, "question": "In 12 453, the digit 4 is in the ____ place.", "answer0": "ones", "answer1": "tens", "answer2": "hundreds", "answer3": "thousands", "correct_answer": 2, "skill_id": 105, "difficulty_id": 1, "explanation": "In 12 453, the digits from the right are 3 (ones), 5 (tens), 4 (hundreds), 2 (thousands), 1 (ten thousands). So the digit 4 is in the hundreds place.", "hints": [ "Write out the place value of each digit from the right.", "ones, tens, hundreds, thousands, ten thousands" ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q1", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key Q1 = option 3 (hundreds), 0-based index 2." }, { "n": 2, "type_id": 1, "question": "In which of the following are the numbers arranged from the greatest to the smallest?", "answer0": "9068 , 9680 , 9608", "answer1": "9680 , 9608 , 9068", "answer2": "9068 , 9608 , 9680", "answer3": "9680 , 9068 , 9608", "correct_answer": 1, "skill_id": 107, "difficulty_id": 1, "explanation": "Order 9680, 9608, 9068 from greatest to smallest: 9680 (largest), then 9608, then 9068. Compare digit by digit from the left. Option (2) is correct.", "hints": [ "Greatest to smallest means descending order.", "Compare the thousands, then hundreds, then tens." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q2", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key Q2 = option 2, 0-based index 1." }, { "n": 3, "type_id": 1, "question": "Which of the following is a multiple of 9?", "answer0": "19", "answer1": "39", "answer2": "3", "answer3": "81", "correct_answer": 3, "skill_id": 114, "difficulty_id": 1, "explanation": "A multiple of 9 can be divided exactly by 9. 81 = 9 x 9, so 81 is a multiple of 9. (19, 39 and 3 are not.)", "hints": [ "Check which number divides exactly by 9.", "Recall the 9 times table: 9, 18, 27, ... 81, 90." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q3", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key Q3 = option 4, 0-based index 3." }, { "n": 4, "type_id": 1, "question": "Linda had 112 bags.
She packed 45 markers in each bag.
How many markers were there altogether?", "answer0": "1008", "answer1": "4930", "answer2": "5040", "answer3": "5480", "correct_answer": 2, "skill_id": 116, "difficulty_id": 2, "explanation": "Total markers = 112 x 45 = 5040.", "hints": [ "Multiply the number of bags by the markers in each bag.", "112 x 45 = 112 x 40 + 112 x 5" ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q4", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key Q4 = option 3 (5040), 0-based index 2." }, { "n": 5, "type_id": 1, "question": "What is the size of ∠ABC?", "answer0": "75°", "answer1": "85°", "answer2": "105°", "answer3": "115°", "correct_answer": 0, "skill_id": 140, "difficulty_id": 2, "explanation": "BA is the arm read against the inner scale of the protractor. Reading from BC (0°) along the inner scale to BA gives 75°, so ∠ABC = 75°.", "hints": [ "Line up BC with the 0° line and read where BA crosses.", "Use the scale that starts from 0° at arm BC." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q5", "image_needed": true, "image_options": false, "image_file": "q5.png", "image_page": 2, "image_bbox": [ 0.3, 0.32, 0.8, 0.52 ], "image_loc": "protractor diagram with arms A (up), B (centre) and C (right), middle of page", "notes": "Answer key Q5 = option 1 (75°), 0-based index 0." }, { "n": 6, "type_id": 1, "question": "Judy baked 10 chocolate and 15 peanut cookies.
She packed all the cookies into equal number of boxes.
How many chocolate and peanut cookies were there in each box?", "answer0": "Chocolate 2 , Peanut 3", "answer1": "Chocolate 2 , Peanut 5", "answer2": "Chocolate 5 , Peanut 3", "answer3": "Chocolate 5 , Peanut 5", "correct_answer": 0, "skill_id": 113, "difficulty_id": 2, "explanation": "The greatest number of equal boxes is the common factor of 10 and 15, which is 5. So 10 ÷ 5 = 2 chocolate cookies and 15 ÷ 5 = 3 peanut cookies in each box.", "hints": [ "Find the largest number that divides both 10 and 15.", "Divide each type of cookie by the number of boxes." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q6", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key Q6 = option 1 (2 chocolate, 3 peanut), 0-based index 0. Options are a Chocolate/Peanut table; flattened into text." }, { "n": 7, "type_id": 1, "question": "Siti bought 369 oranges.
She packed the oranges equally into bags of 4.
What is the least number of bags of oranges she should buy?", "answer0": "90", "answer1": "91", "answer2": "92", "answer3": "93", "correct_answer": 3, "skill_id": 117, "difficulty_id": 2, "explanation": "369 ÷ 4 = 92 remainder 1. 92 bags hold 368 oranges, leaving 1 orange, so 1 more bag is needed. Least number of bags = 93.", "hints": [ "Divide 369 by 4 and look at the remainder.", "A leftover orange still needs its own bag." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q7", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key Q7 = option 4 (93), 0-based index 3." }, { "n": 8, "type_id": 1, "question": "A table with 5 columns is filled with numbers in a certain pattern.
The first 3 rows of the table are shown.
In which column will the number 23 appear in?", "answer0": "A", "answer1": "B", "answer2": "C", "answer3": "D", "correct_answer": 2, "skill_id": 108, "difficulty_id": 2, "explanation": "Each row holds 5 numbers (Column A = multiples of 5 plus 1: 1, 6, 11, ...). 23 ÷ 5 = 4 remainder 3, so 23 is the 3rd number in its row, which is Column C (the column ending in ...3, 8, 13, 18, 23).", "hints": [ "Each row contains 5 numbers; find 23's position within a row.", "23 = 4 x 5 + 3, so it is the 3rd entry of a row." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q8", "image_needed": true, "image_options": false, "image_file": "q8.png", "image_page": 3, "image_bbox": [ 0.18, 0.44, 0.84, 0.59 ], "image_loc": "5-column number-pattern table (Row 1-5, Column A-E), middle of page", "notes": "Answer key Q8 = option 3 (Column C), 0-based index 2." }, { "n": 9, "type_id": 1, "question": "After making a $$\\frac{3}{4}$$-turn in an anti-clockwise direction, Andy is standing at point X and facing the playground.
Where was he facing at first?", "answer0": "Arcade", "answer1": "Shop", "answer2": "Carpark", "answer3": "Hospital", "correct_answer": 1, "skill_id": 141, "difficulty_id": 3, "explanation": "A $$\\frac{3}{4}$$-turn anti-clockwise ends facing the Playground (south-west of X). To find the original direction, turn back $$\\frac{3}{4}$$ clockwise (or $$\\frac{1}{4}$$ anti-clockwise) from the Playground direction, which points to the Shop (south-east of X).", "hints": [ "A 3/4 anti-clockwise turn is the same as a 1/4 clockwise turn.", "Rotate the playground direction back by 1/4 turn clockwise to find the start." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q9", "image_needed": true, "image_options": false, "image_file": "q9.png", "image_page": 4, "image_bbox": [ 0.22, 0.18, 0.82, 0.45 ], "image_loc": "8-point compass map of buildings around point X with N arrow, upper-middle of page", "notes": "Answer key Q9 = option 2 (Shop), 0-based index 1. Skill 141/142 (turns/compass) flagged removed from syllabus 2026." }, { "n": 10, "type_id": 1, "question": "Peter folded 1000 paper cranes.
He folded 4 times as many cranes as Alicia.
How many paper cranes must Peter give to Alicia so that they each have the same number of cranes?", "answer0": "375", "answer1": "400", "answer2": "500", "answer3": "1500", "correct_answer": 0, "skill_id": 118, "difficulty_id": 3, "explanation": "Peter = 1000, which is 4 units, so 1 unit = 250 and Alicia = 250. Total = 1250, so each should have 1250 ÷ 2 = 625. Peter must give away 1000 - 625 = 375 cranes.", "hints": [ "Alicia has 1000 ÷ 4 = 250 cranes.", "Find the equal share (total ÷ 2), then subtract from Peter's amount." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q10", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key Q10 = option 1 (375), 0-based index 0." }, { "n": 11, "type_id": 2, "question": "What number is 10 more than 7996?", "answer0": "8006", "answer1": null, "answer2": null, "answer3": null, "correct_answer": null, "skill_id": 105, "difficulty_id": 1, "explanation": "7996 + 10 = 8006.", "hints": [ "Add 10 to 7996.", "Adding 10 increases the tens digit, carrying over the hundreds." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q11", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key 11) = 8006." }, { "n": 12, "type_id": 0, "question": "Choose the correct point to complete the drawing of ∠XYZ = 130°. Mark the angle and label point Z.", "answer0": null, "answer1": null, "answer2": null, "answer3": null, "correct_answer": null, "skill_id": 140, "difficulty_id": 2, "explanation": "From ray YX, measure 130° at vertex Y and draw ray YZ to the correct dot, labelling it Z so that ∠XYZ = 130°.", "hints": [ "Place the protractor centre at Y with 0° along YX.", "Mark 130° and draw the ray to label point Z." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q12", "image_needed": true, "image_options": false, "image_file": "q12.png", "image_page": 5, "image_bbox": [ 0.18, 0.45, 0.82, 0.72 ], "image_loc": "ray XY drawn diagonally with scattered candidate dots, lower-middle of page", "notes": "Interactive draw/mark-the-angle task; type_id 0 (skipped on insert). Answer key shows the 130° angle drawn to the upper-right dot." }, { "n": 13, "type_id": 0, "question": "Complete rectangle ABCD by drawing 2 more lines on the grid.", "answer0": null, "answer1": null, "answer2": null, "answer3": null, "correct_answer": null, "skill_id": 143, "difficulty_id": 2, "explanation": "Given vertices A, B and C with BC and BA drawn, the fourth vertex D is placed so that AD is parallel and equal to BC and DC is parallel and equal to BA; draw lines AD and DC (or CD and DA) to complete rectangle ABCD.", "hints": [ "The fourth vertex D completes the rectangle opposite to B.", "Opposite sides of a rectangle are equal and parallel." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q13", "image_needed": true, "image_options": false, "image_file": "q13.png", "image_page": 6, "image_bbox": [ 0.24, 0.1, 0.78, 0.47 ], "image_loc": "square grid with vertices A, B, C marked, top of page", "notes": "Interactive draw-on-grid task; type_id 0 (skipped on insert). Answer key shows the completed rectangle." }, { "n": 14, "type_id": 2, "question": "A number when rounded off to the nearest hundred is 3500.
What is the greatest possible number?", "answer0": "3549", "answer1": null, "answer2": null, "answer3": null, "correct_answer": null, "skill_id": 109, "difficulty_id": 2, "explanation": "Numbers from 3450 to 3549 round to 3500. The greatest of these is 3549 (3550 would round up to 3600).", "hints": [ "Numbers that round to 3500 lie from 3450 to 3549.", "The largest is just below 3550." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q14", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key 14) = 3549." }, { "n": 15, "type_id": 2, "question": "Jane decorated a room with red and green lights.
The red light blinks every 3 minutes and the green light blinks every 4 minutes.
Both lights are switched on at the same time.
When will both lights blink together for the first time? [?] min", "answer0": "12", "answer1": null, "answer2": null, "answer3": null, "correct_answer": null, "skill_id": 115, "difficulty_id": 2, "explanation": "The lights blink together at common multiples of 3 and 4. The lowest common multiple of 3 and 4 is 12, so they first blink together after 12 minutes.", "hints": [ "Find the lowest common multiple of 3 and 4.", "List multiples: 3,6,9,12 and 4,8,12 -> first common is 12." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q15", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key 15) = 12 min. Unit 'min' printed beside the answer line." }, { "n": 16, "type_id": 2, "question": "Ahmad, Ben and Clarice shared 9036 crayons equally among themselves.
Ahmad bought another 98 crayons for himself.
How many crayons would Ahmad have in the end?", "answer0": "3110", "answer1": null, "answer2": null, "answer3": null, "correct_answer": null, "skill_id": 118, "difficulty_id": 2, "explanation": "Each share = 9036 ÷ 3 = 3012. Ahmad then buys 98 more: 3012 + 98 = 3110 crayons.", "hints": [ "Divide the crayons equally among the 3 children first.", "Add the 98 extra crayons to Ahmad's share." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q16", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key 16) = 9036 ÷ 3 = 3012; 3012 + 98 = 3110." }, { "n": 17, "type_id": 2, "question": "PQRS is a square and QTUV is a rectangle. The breadth of the rectangle is 8 cm and TU is 12 cm.
The length of the rectangle is twice its breadth.
Find the length of PT.", "answer0": "28", "answer1": null, "answer2": null, "answer3": null, "correct_answer": null, "skill_id": 138, "difficulty_id": 3, "explanation": "Rectangle breadth = 8 cm, so length = 2 x 8 = 16 cm... using the given figure, QT (length) = 2 x 12 = 24 cm. PQ is the square's side = QV - VR; here the square side = 12 - 8 = 4 cm. PT = PQ + QT = 4 + 24 = 28 cm.", "hints": [ "The rectangle's length is twice its breadth.", "PT = PQ (square side) + QT (rectangle length); square side = 12 - 8." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q17", "image_needed": true, "image_options": false, "image_file": "q17.png", "image_page": 8, "image_bbox": [ 0.28, 0.16, 0.78, 0.34 ], "image_loc": "figure of square PQRS attached to rectangle QTUV with 8 cm and 12 cm labels, upper part of page", "notes": "Answer key 17) working: 12x2=24, 12-8=4, 24+4=28. The length of PT is 28 cm." }, { "n": 18, "type_id": 2, "question": "A table cost $910 more than a chair.
Tom paid $7520 for 2 tables and 4 chairs.
How much does a table cost?", "answer0": "$1860", "answer1": null, "answer2": null, "answer3": null, "correct_answer": null, "skill_id": 118, "difficulty_id": 3, "explanation": "Replace each table with a chair: 2 tables = 2 chairs + 2 x $910 = 2 chairs + $1820. So 6 chairs = $7520 - $1820 = $5700, giving 1 chair = $5700 ÷ 6 = $950. A table = $950 + $910 = $1860.", "hints": [ "Express the 2 tables in terms of chairs plus the extra $910 each.", "Find the chair cost first, then add $910 for the table." ], "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q18", "image_needed": false, "image_options": false, "image_file": null, "notes": "Answer key 18) working: 910x2=1820, 7520-1820=5700, 5700÷6=950, 950+910=1860. The table cost $1860." } ] }