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Primary 3 Mathematics Weighted Assessment 3 (Term 3) Paper 2
Free P3 Maths WA3 Paper 2, Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.
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TUITIONGOWHERE PRIMARY SCHOOL (AI)
WEIGHTED ASSESSMENT 3 EXAMINATION 2026 - ANSWER KEY
PRIMARY 3 MATHEMATICS (Version 2)
Section A: Multiple Choice Questions (15 marks)
1. What is 9 × 7? (1 mark) Answer: 2. 63 9 × 7 = 63
2. An angle that is less than 90° is called a(n): (1 mark) Answer: 3. Acute angle Acute angles are less than 90°
3. What is 6 × 8? (1 mark) Answer: 2. 48 6 × 8 = 48
4. A straight angle measures: (1 mark) Answer: 3. 180° A straight angle is exactly 180°
5. What is 81 ÷ 9? (1 mark) Answer: 2. 9 81 ÷ 9 = 9
6. Which fraction is equivalent to 2/4? (1 mark) Answer: 1. 3/6 2/4 = 1/2 = 3/6
7. What is 4/6 - 1/6? (1 mark) Answer: 3. 3/6 Subtract numerators: 4 - 1 = 3. Keep denominator: 3/6
8. The corner of a square is what type of angle? (1 mark) Answer: 3. Right angle All corners of a square are 90° (right angles)
9. What is 7 × 9? (1 mark) Answer: 2. 63 7 × 9 = 63
10. In a pictogram, if one circle = 5 books, how many books do 4 circles represent? (1 mark) Answer: 3. 20 4 × 5 = 20 books
11. What is the area of a square with side 6 cm? (1 mark) Answer: 3. 36 cm² Area = side × side = 6 × 6 = 36 cm²
12. What is 42.30 - 15.85? (1 mark) Answer: 1. 26.45 42.30 - 15.85 = 26.45
13. The minute hand of a clock moves from 12 to 3. What fraction of a complete turn has it made? (1 mark) Answer: 3. 1/4 12 to 3 is 15 minutes out of 60 = 1/4 turn
14. What is 8 × 8? (1 mark) Answer: 2. 64 8 × 8 = 64
15. How many right angles are there in a rectangle? (1 mark) Answer: 3. 4 A rectangle has 4 corners, each is a right angle
Section B: Short Answer Questions (20 marks)
16. Complete the times tables: (4 marks)
a) 9 × 8 = 72 (1 mark)
b) 7 × 6 = 42 (1 mark)
c) 8 × 7 = 56 (1 mark)
d) 6 × 9 = 54 (1 mark)
17. Classify each angle as acute, right, obtuse, or straight: (4 marks)
a) 85°: Acute angle (1 mark) 85° is less than 90°
b) 90°: Right angle (1 mark) 90° is exactly a right angle
c) 155°: Obtuse angle (1 mark) 155° is between 90° and 180°
d) 180°: Straight angle (1 mark) 180° is a straight angle
18. Work out these calculations: (4 marks)
a) 2/5 + 2/5 = 4/5 (1 mark) Add numerators: 2 + 2 = 4. Keep denominator: 4/5
b) 8/10 - 3/10 = 5/10 or 1/2 (1 mark) Subtract numerators: 8 - 3 = 5. Keep denominator: 5/10 = 1/2
c) Express 9/12 in simplest form = 3/4 (1 mark) Divide both by 3: 9÷3 = 3, 12÷3 = 4
d) Express 8/10 in simplest form = 4/5 (1 mark) Divide both by 2: 8÷2 = 4, 10÷2 = 5
19. Division problems: (4 marks)
a) 63 ÷ 7 = 9 (1 mark)
b) 72 ÷ 8 = 9 (1 mark)
c) 54 ÷ 6 = 9 (1 mark)
d) 45 ÷ 9 = 5 (1 mark)
20. Convert these measurements: (4 marks)
a) 18.75 = $51.25 (1 mark)
b) 23.65 = $26.35 (1 mark)
c) 3 m 45 cm = 345 cm (1 mark) 3 m = 300 cm. Total: 300 + 45 = 345 cm
d) 2 hours 20 minutes = 140 minutes (1 mark) 2 hours = 120 minutes. Total: 120 + 20 = 140 minutes
Section C: Word Problems (15 marks)
21. Look at these angles around a clock face: (3 marks)
Angle at 3:00: Right angle (1 mark) At 3:00, the hands form a 90° angle
Angle at 6:00: Straight angle (1 mark) At 6:00, the hands form a 180° angle
Angle at 9:00: Right angle (1 mark) At 9:00, the hands form a 90° angle
22. A farmer plants tomato seedlings in rows. Each row has 9 seedlings. If he plants 6 complete rows and has 5 seedlings left over, how many seedlings does he have in total? (4 marks)
Working: Number of seedlings in complete rows = 6 × 9 = 54 seedlings (2 marks) Total seedlings = 54 + 5 = 59 seedlings (1 mark)
Answer: 59 seedlings (1 mark)
23. Students in Primary 3 were asked about their favorite subjects: (4 marks)
Bar chart: (2 marks)
- Mathematics bar should reach 15
- English bar should reach 11
- Science bar should reach 9
- Art bar should reach 5
Working: Difference = 15 - 5 = 10 students (1 mark)
Answer: 10 more students (1 mark)
24. A pizza is cut into 8 equal slices. Tom eats 3/8 of the pizza and his brother eats 2/8 of the pizza. What fraction of the pizza is eaten? What fraction is left? (4 marks)
Working: Fraction eaten = 3/8 + 2/8 = 5/8 (2 marks) Fraction left = 8/8 - 5/8 = 3/8 (1 mark)
Answer: Eaten = 5/8, Left = 3/8 (1 mark)
Total: 50 marks
Marking Scheme Summary:
- Section A (MCQ): 15 marks (1 mark each)
- Section B (Short Answer): 20 marks
- Section C (Word Problems): 15 marks
- Total: 50 marks
Grade Boundaries:
- 45-50: Excellent
- 38-44: Very Good
- 30-37: Good
- 25-29: Satisfactory
- Below 25: Needs Improvement
Key Topics Covered (WA3):
- Angles: Classification (acute, right, obtuse, straight), angle measurement
- Times Tables: Complete mastery of 2-10 tables
- Fractions: Addition, subtraction, equivalence, simplest form
- Time: Duration calculations, time conversions
- Measurement: Length, money conversions
- Geometry: Perimeter, area, angles in shapes
- Data: Pictographs, bar charts, data interpretation
- Problem Solving: Multi-step word problems