Primary 3 Mathematics Weighted Assessment 2 (Term 3) Paper 4

TUITIONGOWHERE PRIMARY SCHOOL (AI)

WEIGHTED ASSESSMENT 2 EXAMINATION 2026 - ANSWER KEY (Version 4)

PRIMARY 3 MATHEMATICS

Section A: Multiple Choice Questions (15 marks)

1. What is 6/11 - 2/11? (1 mark) Answer: 2. 4/11 Subtract numerators: 6 - 2 = 4. Keep denominator: 4/11

2. Which fraction is equivalent to 2/3? (1 mark) Answer: 2. 6/9 2/3 × 3/3 = 6/9. To check: 2 × 3 = 6 and 3 × 3 = 9

3. What is 1/4 + 2/4? (1 mark) Answer: 2. 3/4 Add numerators: 1 + 2 = 3. Keep denominator: 3/4

4. 56 ÷ 7 = ? (1 mark) Answer: 3. 8 56 ÷ 7 = 8 (since 7 × 8 = 56)

5. What is the remainder when 83 is divided by 9? (1 mark) Answer: 1. 2 83 ÷ 9 = 9 remainder 2 (since 9 × 9 = 81, and 83 - 81 = 2)

6. 324 ÷ 9 = ? (1 mark) Answer: 3. 36 324 ÷ 9 = 36 (270 ÷ 9 = 30, 54 ÷ 9 = 6, 30 + 6 = 36)

7. What is 8 × 16? (1 mark) Answer: 2. 128 8 × 16 = 8 × 10 + 8 × 6 = 80 + 48 = 128

8. 4 × 48 = ? (1 mark) Answer: 2. 192 4 × 48 = 4 × 40 + 4 × 8 = 160 + 32 = 192

9. A bar graph shows favourite sports. Basketball has 15 students and Football has 20 students. How many students are represented in both bars together? (1 mark) Answer: 4. 35 Total = 15 + 20 = 35 students

10. In a pictograph, each picture represents 5 books. If "Story Books" has 8 pictures, how many story books are there? (1 mark) Answer: 4. 40 8 pictures × 5 books = 40 books

11. What is the range of: 12, 18, 25, 8, 15? (1 mark) Answer: 3. 17 Range = Highest - Lowest = 25 - 8 = 17

12. The time now is 10:35 a.m. What time will it be in 2 hours 40 minutes? (1 mark) Answer: 2. 1:15 p.m. 10:35 + 2 hours = 12:35, 12:35 + 40 minutes = 1:15 p.m.

13. What is $35.20 +$14.85? (1 mark) *Answer: 2. $50.05** *$35.20 + $14.85 =$50.05

14. A pen costs $2.45. How much do 6 pens cost?** *(1 mark)* **Answer: 2.$14.70 6 × $2.45 =$14.70

15. A rectangle has a length of 11 cm and a breadth of 7 cm. What is its area? (1 mark) Answer: 3. 77 cm² Area = length × breadth = 11 × 7 = 77 cm²

Section B: Short Answer Questions (20 marks)

16. Compare these fractions. Write >, < or =: (4 marks)

a) 3/5 > 2/5 (1 mark) Same denominator, compare numerators: 3 > 2

b) 4/7 > 4/9 (1 mark) Same numerator, smaller denominator means larger fraction: 4/7 > 4/9

c) 6/8 = 3/4 (1 mark) 6/8 simplified: 6 ÷ 2 = 3, 8 ÷ 2 = 4, so 6/8 = 3/4

d) 5/6 < 7/6 (1 mark) Same denominator, compare numerators: 5 < 7

17. Calculate: (6 marks)

a) 216 ÷ 6 = 36 (2 marks) Working: 180 ÷ 6 = 30, 36 ÷ 6 = 6, so 30 + 6 = 36 Check: 6 × 36 = 216 ✓

b) 378 ÷ 18 = 21 (2 marks) Working: 18 × 20 = 360, 378 - 360 = 18, 18 ÷ 18 = 1, so 20 + 1 = 21 Check: 18 × 21 = 378 ✓

c) 9 × 63 = 567 (2 marks) Working: 9 × 63 = 9 × 60 + 9 × 3 = 540 + 27 = 567

18. Study the data and answer: (4 marks)

a) What is the highest score? 90 (1 mark) Cindy has the highest score of 90

b) What is the mode? 85 (1 mark) 85 appears twice (Ahmad and Emma), more than any other score

c) What is the range? 18 (1 mark) Range = 90 - 72 = 18

d) How many students scored above 80? 3 (1 mark) Ahmad (85), Cindy (90), and Emma (85) scored above 80

19. Convert and calculate: (3 marks)

a) 4 hours 20 minutes = 260 minutes (1 mark) 4 hours = 4 × 60 = 240 minutes. Total: 240 + 20 = 260 minutes

*b) $50.00 -$23.65 = $26.35** *(1 mark)* *$50.00 - $23.65 =$26.35

c) 2365 g = 2 kg 365 g (1 mark) 2365 ÷ 1000 = 2 remainder 365. So 2 kg and 365 g

20. Fill in the blanks: (3 marks)

a) 7/9 + 2/9 = 1 (1 mark) 7/9 + ?/9 = 9/9 = 1, so ? = 9 - 7 = 2

b) 5/6 - 2/6 = 3/6 (1 mark) ?/6 - 2/6 = 3/6, so ? = 3 + 2 = 5

c) 3/8 + 4/8 = 7/8 (1 mark) Add numerators: 3 + 4 = 7, keep denominator: 7/8

Section C: Word Problems (15 marks)

21. A ribbon is 7/8 metre long. Mei Lin cuts off 3/8 metre to make a bow. What is the length of ribbon left? (3 marks)

Working: Length left = 7/8 - 3/8 (1 mark) = (7 - 3)/8 (1 mark) = 4/8 = 1/2 metre

Answer: 4/8 metre or 1/2 metre (1 mark)

22. A school has 288 students. They are divided equally into 8 classes. How many students are in each class? (4 marks)

Working: Number of students in each class = 288 ÷ 8 (1 mark)

Method: 288 ÷ 8 (1 mark) = 240 ÷ 8 + 48 ÷ 8 = 30 + 6 = 36 (1 mark)

Answer: 36 students (1 mark)

23. A baker makes 9 batches of cookies with 36 cookies in each batch. He sells 185 cookies. How many cookies does he have left? (4 marks)

Working: Step 1: Find total number of cookies Total cookies = 9 × 36 (1 mark) = 9 × 30 + 9 × 6 = 270 + 54 = 324 cookies (1 mark)

Step 2: Subtract cookies sold Cookies left = 324 - 185 (1 mark) = 139 cookies

Answer: 139 cookies (1 mark)

24. A rectangular field is 25 m long and 18 m wide. A fence is built around the field. What is the total length of the fence? If each metre of fencing costs $12, what is the total cost? (4 marks)

Working: Step 1: Find perimeter (length of fence) Perimeter = 2 × (length + breadth) (1 mark) = 2 × (25 + 18) = 2 × 43 = 86 m (1 mark)

Step 2: Find total cost Cost = 86 × $12 *(1 mark)* =$1032

Answer: Length of fence = 86 m, Total cost = $1032 (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 (WA2 Version 4):

• Fractions: Addition, subtraction, equivalent fractions, comparing fractions
• Division: Basic division, division with remainder, long division
• Multiplication: 2-digit × 1-digit multiplication
• Data Handling: Interpreting data, mode, range, bar graphs, pictographs
• Time: Duration calculations, conversions, telling time
• Money: Addition, subtraction, multiplication of money
• Measurement: Mass and metric conversions
• Geometry: Area and perimeter of rectangles
• Problem Solving: Multi-step word problems with real-life contexts