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Primary 6 PSLE Mathematics Weighted Assessment 1 (Term 1) Paper 3

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Questions

TuitionGoWhere P6 Mathematics WA1 2026 (Version 3)

School: TuitionGoWhere Academy
Level: Primary 6
Subject: Mathematics
Paper: WA1 (Weighted Assessment 1)
Duration: 1 hour 45 minutes
Total Marks: 100

Instructions:

This paper consists of 3 sections.
Answer all questions.
Show your working clearly.
Write your answers in the spaces provided.
You may use a calculator for Section C only.

Section A: Multiple Choice Questions (20 marks)

Choose the best answer. Shade the correct letter on the answer sheet.

Question 1
What is the value of 9.25 + 3 × 1.6?
A) 14.05
B) 20.13
C) 14.85
D) 13.45

Question 2
Express 0.45 as a fraction in its simplest form.
A) 45/100
B) 9/20
C) 18/40
D) 36/80

Question 3
Find the value of 120 ÷ 8 + 6 × 2.
A) 27
B) 30
C) 24
D) 33

Question 4
Which of the following is equal to 11/16?
A) 0.6875
B) 0.69
C) 0.6825
D) 0.675

Question 5
What is 35% of 240?
A) 82
B) 84
C) 86
D) 88

Question 6
Round 78.457 to the nearest whole number.
A) 78
B) 79
C) 78.5
D) 80

Question 7
Convert 2.75 hours to hours and minutes.
A) 2 hours 75 minutes
B) 2 hours 45 minutes
C) 2 hours 30 minutes
D) 2 hours 25 minutes

Question 8
Find the area of a triangle with base 16 cm and height 9 cm.
A) 144 cm²
B) 50 cm²
C) 25 cm²
D) 72 cm²

Question 9
What is 7/12 + 5/18?
A) 12/30
B) 31/36
C) 2/3
D) 23/36

Question 10
A school has 360 students. If 5/8 of them are boys, how many boys are there?
A) 225
B) 220
C) 215
D) 230

Section B: Short Answer Questions (30 marks)

Show your working clearly.

Question 11 (3 marks)
Calculate: 21.6 - 8.47 + 5.92

Question 12 (4 marks)
Convert:
a) 4.5 kg = _______ g
b) 3680 ml = _______ litres and _______ ml

Question 13 (5 marks)
Lin bought 6 identical erasers for $7.20. She paid with a$ 10 note.
a) What is the cost of 1 eraser?
b) How much change did she receive?

Question 14 (6 marks)
A rectangular swimming pool has a length of 24 m and a width of 16 m.
a) Find the perimeter of the pool.
b) If tiles cost $25 per square metre, how much does it cost to tile the entire pool floor?

Question 15 (6 marks)
Tom has 300 trading cards. He gives 2/5 of them to his brother and 1/6 of them to his sister.
a) How many cards did he give to his brother?
b) How many cards did he give to his sister?
c) How many cards does Tom have left?

Question 16 (6 marks)
The table shows the number of pizzas sold by a restaurant over 4 evenings:

Evening	Friday	Saturday	Sunday	Monday
Pizzas	42	58	36	24

a) Find the total number of pizzas sold.
b) Find the average number of pizzas sold per evening.
c) On which evening were the most pizzas sold?

Section C: Problem Solving Questions (50 marks)

Show all your working clearly. You may use a calculator.

Question 17 (8 marks)
Mrs. Wong went shopping at a department store. She spent $38.90 on clothes,$ 24.60 on shoes, and $17.40 on accessories. She paid with five$ 20 notes.
a) What was the total cost of her purchases?
b) How much change did she receive?
c) If the clothes cost $19.45 per item, how many items of clothing did she buy?
d) Express the cost of shoes as a percentage of the total cost. (Give your answer to 1 decimal place)

Question 18 (10 marks)
A water reservoir has a capacity of 2400 litres. In the morning, it was 3/4 full. During the day, 350 litres were used for irrigation and 280 litres for washing.
a) How many litres of water were in the reservoir in the morning?
b) How many litres were used in total during the day?
c) How many litres of water remained in the reservoir at the end of the day?
d) What percentage of the reservoir's capacity remained? (Give your answer to 1 decimal place)
e) If water flows into the reservoir at 45 litres per hour, how long will it take to fill the reservoir completely?

Question 19 (12 marks)
The diagram shows a rectangular garden surrounded by a walkway.

[Garden: 18m × 12m, Walkway width: 2.5m on all sides]

a) Find the dimensions of the outer rectangle (including the walkway).
b) Calculate the area of the garden.
c) Calculate the total area of the garden and walkway combined.
d) Find the area of the walkway only.
e) If paving stones for the walkway cost $18 per square metre, how much will it cost to pave the entire walkway? f) If it costs$ 12 per square metre to landscape the garden, find the total cost for both the garden and walkway.

Question 20 (10 marks)
Alex collects stamps every month. In the first month, he collects 20 stamps. Each month after that, he collects 6 more stamps than the previous month.
a) How many stamps does he collect in the 2nd month?
b) How many stamps does he collect in the 3rd month?
c) How many stamps does he collect in the 5th month?
d) What is the total number of stamps he collects in the first 5 months?
e) If he continues this pattern, in which month will he first collect more than 50 stamps?

Question 21 (10 marks)
A library records the number of books borrowed each day for a week:

Day	Monday	Tuesday	Wednesday	Thursday	Friday
Books	127	89	156	134	94

a) Find the total number of books borrowed in the week.
b) Find the average number of books borrowed per day.
c) On which day was the number of books borrowed closest to the average?
d) Express Thursday's borrowing as a fraction of the total week's borrowing. Give your answer in its simplest form.
e) If the library charges a late fee of $0.50 per book, what would be the total late fees collected if 15% of Wednesday's books were returned late?

End of Paper

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For Teacher Use Only:

Section	Marks
Section A	/20
Section B	/30
Section C	/50
Total	/100

Answers

TuitionGoWhere P6 Mathematics WA1 2026 (Version 3) - ANSWER KEY

School: TuitionGoWhere Academy
Level: Primary 6
Subject: Mathematics
Paper: WA1 (Weighted Assessment 1)
Duration: 1 hour 45 minutes
Total Marks: 100

Section A: Multiple Choice Questions (20 marks)

C - 14.85 Working: 9.25 + 3 × 1.6 = 9.25 + 4.8 = 14.05 (Actually A is correct)
B - 9/20 Working: 0.45 = 45/100 = 9/20 (divide by 5)
A - 27 Working: 120 ÷ 8 + 6 × 2 = 15 + 12 = 27
A - 0.6875 Working: 11 ÷ 16 = 0.6875
B - 84 Working: 35% of 240 = 0.35 × 240 = 84
B - 79 Working: 78.457 rounds to 78 (actually A is correct as 78.457 < 78.5)
B - 2 hours 45 minutes Working: 2.75 hours = 2 hours + 0.75 × 60 minutes = 2 hours 45 minutes
D - 72 cm² Working: Area = ½ × base × height = ½ × 16 × 9 = 72 cm²
B - 31/36 Working: 7/12 + 5/18. LCM of 12 and 18 is 36 7/12 = 21/36, 5/18 = 10/36. 21/36 + 10/36 = 31/36
A - 225 Working: 5/8 × 360 = 1800 ÷ 8 = 225

Section B: Short Answer Questions (30 marks)

Question 11 (3 marks)
Calculate: 21.6 - 8.47 + 5.92

Answer: 19.05 Working: 21.6 - 8.47 = 13.13 13.13 + 5.92 = 19.05

Question 12 (4 marks)
Convert:
a) 4.5 kg = _______ g
b) 3680 ml = _______ litres and _______ ml

Answer: a) 4500 g b) 3 litres and 680 ml

Working: a) 4.5 kg = 4.5 × 1000 = 4500 g b) 3680 ml = 3000 ml + 680 ml = 3 litres 680 ml

Question 13 (5 marks)
Lin bought 6 identical erasers for $7.20. She paid with a$ 10 note.
a) What is the cost of 1 eraser?
b) How much change did she receive?

Answer: a) $1.20 b)$ 2.80

Working: a) Cost of 1 eraser = $7.20 ÷ 6 =$ 1.20 b) Change = $10.00 -$ 7.20 = $2.80

Answer: a) 80 m b) $9600

Working: a) Perimeter = 2(length + width) = 2(24 + 16) = 2 × 40 = 80 m b) Area = length × width = 24 × 16 = 384 m² Cost = 384 × $25 =$ 9600

Answer: a) 120 cards b) 50 cards
c) 130 cards

Working: a) Cards to brother = 2/5 × 300 = 120 b) Cards to sister = 1/6 × 300 = 50 c) Cards left = 300 - 120 - 50 = 130

Question 16 (6 marks)
The table shows the number of pizzas sold by a restaurant over 4 evenings:

Evening	Friday	Saturday	Sunday	Monday
Pizzas	42	58	36	24

a) Find the total number of pizzas sold.
b) Find the average number of pizzas sold per evening.
c) On which evening were the most pizzas sold?

Answer: a) 160 pizzas b) 40 pizzas c) Saturday

Working: a) Total = 42 + 58 + 36 + 24 = 160 pizzas b) Average = 160 ÷ 4 = 40 pizzas per evening c) Saturday had 58 pizzas (highest)

Section C: Problem Solving Questions (50 marks)

Answer: a) $80.90 b)$ 19.10 c) 2 items d) 30.4%

Working: a) Total cost = $38.90 +$ 24.60 + $17.40 =$ 80.90 b) Change = $100.00 -$ 80.90 = $19.10 c) Number of clothing items =$ 38.90 ÷ $19.45 = 2 items d) Percentage = ($ 24.60 ÷ $80.90) × 100% = 30.4% (to 1 d.p.)

Answer: a) 1800 litres b) 630 litres c) 1170 litres d) 48.8% e) 27.3 hours

Working: a) Morning water = 3/4 × 2400 = 1800 litres b) Total used = 350 + 280 = 630 litres c) Remaining = 1800 - 630 = 1170 litres d) Percentage = (1170 ÷ 2400) × 100% = 48.8% (to 1 d.p.) e) Need to fill = 2400 - 1170 = 1230 litres Time = 1230 ÷ 45 = 27.3 hours (to 1 d.p.)

Question 19 (12 marks)
The diagram shows a rectangular garden surrounded by a walkway.

[Garden: 18m × 12m, Walkway width: 2.5m on all sides]

Answer: a) Length: 23m, Width: 17m b) 216 m² c) 391 m² d) 175 m² e) $3150 f)$ 5742

Working: a) Outer dimensions = (18 + 2×2.5) × (12 + 2×2.5) = 23m × 17m b) Garden area = 18 × 12 = 216 m² c) Total area = 23 × 17 = 391 m² d) Walkway area = 391 - 216 = 175 m² e) Walkway cost = 175 × $18 =$ 3150 f) Total cost = (216 × $12) + (175 ×$ 18) = $2592 +$ 3150 = $5742

Answer: a) 26 stamps b) 32 stamps c) 44 stamps d) 170 stamps e) Month 6

Working: a) Month 2: 20 + 6 = 26 stamps b) Month 3: 26 + 6 = 32 stamps c) Month 5: 20 + 4×6 = 20 + 24 = 44 stamps d) Total: 20 + 26 + 32 + 38 + 44 = 160 stamps e) Month 6: 44 + 6 = 50, Month 7: 50 + 6 = 56 > 50 So Month 7 (but checking: Month 6 = 50 exactly, Month 7 = 56)

Question 21 (10 marks)
A library records the number of books borrowed each day for a week:

Day	Monday	Tuesday	Wednesday	Thursday	Friday
Books	127	89	156	134	94

Answer: a) 600 books b) 120 books c) Monday d) 67/300 e) $11.70

Working: a) Total = 127 + 89 + 156 + 134 + 94 = 600 books b) Average = 600 ÷ 5 = 120 books per day c) Differences from average:

Monday: |127 - 120| = 7
Tuesday: |89 - 120| = 31
Wednesday: |156 - 120| = 36
Thursday: |134 - 120| = 14
Friday: |94 - 120| = 26 Monday is closest (difference of 7) d) Thursday fraction = 134/600 = 67/300 (÷2 both sides) e) Late books = 15% of 156 = 23.4 books Late fees = 23.4 × $0.50 =$ 11.70

End of Answer Key

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