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

TUITIONGOWHERE PRIMARY SCHOOL (AI)

WEIGHTED ASSESSMENT 3 EXAMINATION 2026

PRIMARY 3 MATHEMATICS (Version 3)

Duration: 45 minutes
Total Marks: 50

---

INSTRUCTIONS TO STUDENTS

1. Do not turn over this page until you are told to do so.
2. Answer all questions.
3. Write your answers clearly in the spaces provided.
4. You are not allowed to use a calculator.
5. Show all working clearly.

---

Name: _________________________ ( )
Class: Primary 3 ( )
Date: _________________________

Section	Marks
A (MCQ)	/15
B (Short Answer)	/20
C (Word Problems)	/15
Total	/50

---

Section A: Multiple Choice Questions (15 marks)

For each question, four options are given. One of them is the correct answer. Choose the best answer and write 1, 2, 3 or 4 in the brackets.

1. What is 4 × 9? (1 mark)

1. 32
2. 36
3. 40
4. 45

( )

2. An angle that measures exactly 90° is called a(n): (1 mark)

1. Acute angle
2. Obtuse angle
3. Right angle
4. Straight angle

( )

3. What is 5 × 8? (1 mark)

1. 35
2. 40
3. 45
4. 48

( )

4. Which of the following is an obtuse angle? (1 mark)

1. 75°
2. 90°
3. 125°
4. 180°

( )

5. What is 56 ÷ 7? (1 mark)

1. 6
2. 7
3. 8
4. 9

( )

6. What is 2/9 + 5/9? (1 mark)

1. 7/18
2. 7/9
3. 3/9
4. 10/9

( )

7. Which fraction is in its simplest form? (1 mark)

1. 4/8
2. 6/9
3. 3/5
4. 10/15

( )

8. When you open a door halfway, what type of angle does it make with the wall? (1 mark)

1. Acute angle
2. Right angle
3. Obtuse angle
4. Straight angle

( )

9. What is 3 × 9? (1 mark)

1. 24
2. 27
3. 30
4. 33

( )

10. In a bar graph, the bar for 'Apples' is 8 units high. If each unit = 4 fruits, how many apples are there? (1 mark)

1. 12
2. 24
3. 32
4. 48

( )

11. What is the perimeter of a rectangle with length 11 cm and breadth 5 cm? (1 mark)

1. 16 cm
2. 22 cm
3. 32 cm
4. 55 cm

( )

12. What is 27.85 + 14.65? (1 mark)

1. 41.50
2. 42.40
3. 42.50
4. 43.50

( )

13. How many degrees are there in a quarter turn? (1 mark)

1. 45°
2. 90°
3. 180°
4. 360°

( )

14. What is 6 × 6? (1 mark)

1. 30
2. 32
3. 36
4. 42

( )

15. A triangle has how many angles? (1 mark)

1. 2
2. 3
3. 4
4. 5

( )

---

Section B: Short Answer Questions (20 marks)

16. Complete the times tables: (4 marks)

a) 8 × 6 = _____ (1 mark)

b) 9 × 4 = _____ (1 mark)

c) 7 × 7 = _____ (1 mark)

d) 5 × 7 = _____ (1 mark)

17. State whether each angle is acute, right, obtuse, or straight: (4 marks)

a) 60°: _______________ (1 mark)

b) 135°: _______________ (1 mark)

c) 180°: _______________ (1 mark)

d) 90°: _______________ (1 mark)

18. Work out these calculations: (4 marks)

a) 4/8 + 3/8 = _____ (1 mark)

b) 9/11 - 4/11 = _____ (1 mark)

c) Express 6/9 in simplest form = _____ (1 mark)

d) Express 10/12 in simplest form = _____ (1 mark)

19. Multiplication problems: (4 marks)

a) 12 × 5 = _____ (1 mark)

b) 11 × 4 = _____ (1 mark)

c) 10 × 8 = _____ (1 mark)

d) 9 × 9 = _____ (1 mark)

20. Convert these measurements: (4 marks)

a) $45.20 +$27.80 = $ _____ (1 mark)

b) $100.00 -$38.45 = $ _____ (1 mark)

c) 5 m 20 cm = _____ cm (1 mark)

d) 3 hours 15 minutes = _____ minutes (1 mark)

---

Section C: Word Problems (15 marks)

21. Jason is drawing angles for his art project. He draws: (3 marks)

• An angle of 50° for a roof
• An angle of 90° for a corner
• An angle of 170° for a rainbow arc

Name the type of each angle.

Roof angle: ________________ (1 mark) Corner angle: ________________ (1 mark)
Rainbow arc angle: ________________ (1 mark)

22. A stationery shop sells pens in boxes. Each box contains 8 pens. Mr. Tan buys 9 boxes for his office. How many pens does he buy in total? (4 marks)

Working:

---

---

Answer: _________________________________

23. The table shows the number of books read by four friends in a month: (4 marks)

Friend	Books Read
Ali	7
Bala	12
Chen	9
David	6

What is the total number of books read by all four friends?

Working:

---

What is the difference between the most books and fewest books read?

Answer: Total = _____ books, Difference = _____ books

24. Ravi has 7/10 of a bottle of juice. He drinks 3/10 of the bottle. What fraction of the juice does he have left? Express your answer in simplest form. (4 marks)

Working:

---

---

Answer: _________________________________

---

~ End of Paper ~

TUITIONGOWHERE PRIMARY SCHOOL (AI)

WEIGHTED ASSESSMENT 3 EXAMINATION 2026 - ANSWER KEY

PRIMARY 3 MATHEMATICS (Version 3)

---

Section A: Multiple Choice Questions (15 marks)

1. What is 4 × 9? (1 mark) Answer: 2. 36 4 × 9 = 36

2. An angle that measures exactly 90° is called a(n): (1 mark) Answer: 3. Right angle A right angle is exactly 90°

3. What is 5 × 8? (1 mark) Answer: 2. 40 5 × 8 = 40

4. Which of the following is an obtuse angle? (1 mark) Answer: 3. 125° An obtuse angle is between 90° and 180°. 125° falls in this range

5. What is 56 ÷ 7? (1 mark) Answer: 3. 8 56 ÷ 7 = 8

6. What is 2/9 + 5/9? (1 mark) Answer: 2. 7/9 Add numerators: 2 + 5 = 7. Keep denominator: 7/9

7. Which fraction is in its simplest form? (1 mark) Answer: 3. 3/5 3 and 5 share no common factors other than 1

8. When you open a door halfway, what type of angle does it make with the wall? (1 mark) Answer: 2. Right angle A door opened halfway makes approximately 90° with the wall

9. What is 3 × 9? (1 mark) Answer: 2. 27 3 × 9 = 27

10. In a bar graph, the bar for 'Apples' is 8 units high. If each unit = 4 fruits, how many apples are there? (1 mark) Answer: 3. 32 8 × 4 = 32 apples

11. What is the perimeter of a rectangle with length 11 cm and breadth 5 cm? (1 mark) Answer: 3. 32 cm Perimeter = 2 × (length + breadth) = 2 × (11 + 5) = 2 × 16 = 32 cm

12. What is 27.85 + 14.65? (1 mark) Answer: 3. 42.50 27.85 + 14.65 = 42.50

13. How many degrees are there in a quarter turn? (1 mark) Answer: 2. 90° A full turn is 360°, so a quarter turn is 360 ÷ 4 = 90°

14. What is 6 × 6? (1 mark) Answer: 3. 36 6 × 6 = 36

15. A triangle has how many angles? (1 mark) Answer: 2. 3 A triangle has 3 angles

---

Section B: Short Answer Questions (20 marks)

16. Complete the times tables: (4 marks)

a) 8 × 6 = 48 (1 mark)

b) 9 × 4 = 36 (1 mark)

c) 7 × 7 = 49 (1 mark)

d) 5 × 7 = 35 (1 mark)

17. State whether each angle is acute, right, obtuse, or straight: (4 marks)

a) 60°: Acute angle (1 mark) 60° is less than 90°

b) 135°: Obtuse angle (1 mark) 135° is between 90° and 180°

c) 180°: Straight angle (1 mark) 180° is a straight angle

d) 90°: Right angle (1 mark) 90° is exactly a right angle

18. Work out these calculations: (4 marks)

a) 4/8 + 3/8 = 7/8 (1 mark) Add numerators: 4 + 3 = 7. Keep denominator: 7/8

b) 9/11 - 4/11 = 5/11 (1 mark) Subtract numerators: 9 - 4 = 5. Keep denominator: 5/11

c) Express 6/9 in simplest form = 2/3 (1 mark) Divide both by 3: 6÷3 = 2, 9÷3 = 3

d) Express 10/12 in simplest form = 5/6 (1 mark) Divide both by 2: 10÷2 = 5, 12÷2 = 6

19. Multiplication problems: (4 marks)

a) 12 × 5 = 60 (1 mark)

b) 11 × 4 = 44 (1 mark)

c) 10 × 8 = 80 (1 mark)

d) 9 × 9 = 81 (1 mark)

20. Convert these measurements: (4 marks)

a) $45.20 +$27.80 = $73.00 (1 mark)

b) $100.00 -$38.45 = $61.55 (1 mark)

c) 5 m 20 cm = 520 cm (1 mark) 5 m = 500 cm. Total: 500 + 20 = 520 cm

d) 3 hours 15 minutes = 195 minutes (1 mark) 3 hours = 180 minutes. Total: 180 + 15 = 195 minutes

---

Section C: Word Problems (15 marks)

21. Jason is drawing angles for his art project. He draws: (3 marks)

Roof angle: Acute angle (1 mark) 50° is less than 90°

Corner angle: Right angle (1 mark) 90° is exactly a right angle

Rainbow arc angle: Obtuse angle (1 mark) 170° is between 90° and 180°

22. A stationery shop sells pens in boxes. Each box contains 8 pens. Mr. Tan buys 9 boxes for his office. How many pens does he buy in total? (4 marks)

Working: Number of pens = 9 × 8 = 72 pens (3 marks)

Answer: 72 pens (1 mark)

23. The table shows the number of books read by four friends in a month: (4 marks)

Working: Total = 7 + 12 + 9 + 6 = 34 books (1 mark) Most books = 12 (Bala), Fewest = 6 (David) (1 mark) Difference = 12 - 6 = 6 books (1 mark)

Answer: Total = 34 books, Difference = 6 books (1 mark)

24. Ravi has 7/10 of a bottle of juice. He drinks 3/10 of the bottle. What fraction of the juice does he have left? Express your answer in simplest form. (4 marks)

Working: Juice Ravi has = 7/10 (1 mark) Juice drunk = 3/10 (1 mark) Juice left = 7/10 - 3/10 = 4/10 = 2/5 (1 mark)

Answer: 2/5 of the bottle (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: Tables, bar charts, data interpretation
• Problem Solving: Multi-step word problems