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Primary 5 Mathematics Measurement Quiz
Free P5 Maths Measurement quiz, Nemo3 Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.
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Questions
Primary 5 Mathematics Quiz - Measurement
Name: ___________________________
Class: Primary 5 _______
Date: _______________
Score: _______ / 50
Duration: 45 minutes
Total Marks: 50
Instructions:
- Answer all questions.
- Show your working clearly in the space provided.
- Write your answers in the spaces provided.
- For multiple-choice questions, shade the correct oval (1, 2, 3, or 4) in the Answer Sheet.
- The number of marks is given in brackets [ ] at the end of each question or part question.
Section A: Multiple-Choice Questions (10 marks)
Questions 1 to 5 carry 2 marks each. Choose the correct answer and write its number (1, 2, 3, or 4) in the brackets provided.
1. Express 3.045 kg in grams. [2]
(1) 304.5 g
(2) 3045 g
(3) 3450 g
(4) 30 450 g
Answer: (____)
2. A rectangular tank measures 40 cm by 25 cm by 30 cm. It is filled with water to a height of 18 cm. What is the volume of water in the tank? [2]
(1) 18 000 cm³
(2) 20 000 cm³
(3) 30 000 cm³
(4) 36 000 cm³
Answer: (____)
3. Which of the following is the most likely mass of a Primary 5 Mathematics textbook? [2]
(1) 30 g
(2) 300 g
(3) 3 kg
(4) 30 kg
Answer: (____)
4. A ribbon is 2.5 m long. It is cut into 5 equal pieces. What is the length of each piece in centimetres? [2]
(1) 5 cm
(2) 50 cm
(3) 500 cm
(4) 5000 cm
Answer: (____)
5. The figure below shows a solid made up of 1-cm cubes. What is the volume of the solid? [2]
Generated diagram for Q5.
(1) 22 cm³
(2) 23 cm³
(3) 24 cm³
(4) 25 cm³
Answer: (____)
Section B: Short-Answer Questions (20 marks)
Questions 6 to 15 carry 2 marks each. Show your working clearly and write your answers in the spaces provided. Give your answers in the units stated.
6. Convert 7 km 45 m to metres. [2]
Answer: _______________ m
7. A container has a capacity of 5 ℓ. It contains 3 ℓ 850 mℓ of water. How much more water is needed to fill the container completely? Give your answer in millilitres. [2]
Answer: _______________ mℓ
8. The mass of a box of chocolates is 1.2 kg. The mass of the empty box is 150 g. What is the mass of the chocolates alone? Give your answer in grams. [2]
Answer: _______________ g
9. A rectangular tank has a base area of 600 cm². It contains 12 ℓ of water. What is the height of the water level in the tank? [2]
Answer: _______________ cm
10. Express 4050 g in kilograms and grams. [2]
Answer: _______________ kg _______________ g
11. A piece of wire 3.6 m long is bent to form a rectangle. The length of the rectangle is twice its breadth. Find the area of the rectangle. [2]
Answer: _______________ cm²
12. The figure below shows a cube of side 6 cm. Find the volume of the cube. [2]
Generated diagram for Q12.
Answer: _______________ cm³
13. Mrs Tan bought 2.5 kg of flour. She used 3/5 of it to bake a cake. How many grams of flour did she have left? [2]
Answer: _______________ g
14. A pail can hold 8 ℓ of water. A cup can hold 250 mℓ of water. What is the maximum number of cups of water that can be filled from a full pail? [2]
Answer: _______________ cups
15. The total mass of 3 identical books and 2 identical pens is 1.45 kg. The mass of each pen is 50 g. Find the mass of one book in grams. [2]
Answer: _______________ g
Section C: Structured / Long-Answer Questions (20 marks)
Questions 16 to 20 carry 4 marks each. Show your working clearly and write your answers in the spaces provided.
16. A rectangular tank measuring 50 cm by 40 cm by 35 cm is 2/5 filled with water.
(a) Find the volume of water in the tank. [2]
(b) Water is poured into the tank at a rate of 2 ℓ per minute. How long will it take to fill the tank completely? Give your answer in minutes. [2]
Working for (a):
Answer (a): _______________ cm³
Working for (b):
Answer (b): _______________ min
17. The figure below shows a solid made up of 2-cm cubes. [4]
Generated diagram for Q17.
Find the volume of the solid.
Working:
Answer: _______________ cm³
18. A container with a square base of side 20 cm contains some water. When 12 identical marbles are put into the container, the water level rises by 3 cm.
(a) Find the volume of the 12 marbles. [2]
(b) Find the volume of one marble. [2]
Working for (a):
Answer (a): _______________ cm³
Working for (b):
Answer (b): _______________ cm³
19. Mr Lim bought 15 kg of rice. He packed the rice equally into 8 bags and had 1.2 kg left.
(a) What was the mass of rice in each bag? Give your answer in kilograms. [2]
(b) He then repacked all the rice into packets of 500 g each. How many such packets did he get? [2]
Working for (a):
Answer (a): _______________ kg
Working for (b):
Answer (b): _______________ packets
20. The figure below shows a rectangular tank measuring 60 cm by 30 cm by 40 cm. It is filled with water to a height of 25 cm. A solid metal cube of side 10 cm is gently lowered into the tank until it rests on the bottom.
Generated diagram for Q20.
(a) Find the volume of the metal cube. [1]
(b) Find the new height of the water level in the tank after the cube is placed in. [3]
Working for (a):
Answer (a): _______________ cm³
Working for (b):
Answer (b): _______________ cm
End of Quiz
Answers
Primary 5 Mathematics Quiz - Measurement (Answer Key)
Total Marks: 50
Section A: Multiple-Choice Questions (10 marks)
1. Express 3.045 kg in grams. [2]
Answer: (2) 3045 g
Working:
1 kg = 1000 g
3.045 kg = 3.045 × 1000 g = 3045 g
Teaching Note: To convert kg to g, multiply by 1000 (move decimal point 3 places right).
Common Mistake: Forgetting the zero placeholder → 345 g (incorrect).
2. A rectangular tank measures 40 cm by 25 cm by 30 cm. It is filled with water to a height of 18 cm. What is the volume of water in the tank? [2]
Answer: (1) 18 000 cm³
Working:
Volume of water = Length × Breadth × Water Height
= 40 cm × 25 cm × 18 cm
= 1000 cm² × 18 cm
= 18 000 cm³
Teaching Note: Use the water height (18 cm), not the tank height (30 cm).
Marking: 1 mark for correct formula/substitution, 1 mark for correct answer.
3. Which of the following is the most likely mass of a Primary 5 Mathematics textbook? [2]
Answer: (2) 300 g
Reasoning:
- 30 g is too light (like a few sheets of paper)
- 300 g ≈ 0.3 kg is reasonable for a textbook
- 3 kg is too heavy (like a bag of rice)
- 30 kg is extremely heavy (like a child)
Teaching Note: Estimation questions test real-world sense of measurement units.
4. A ribbon is 2.5 m long. It is cut into 5 equal pieces. What is the length of each piece in centimetres? [2]
Answer: (2) 50 cm
Working:
2.5 m = 250 cm
Length of each piece = 250 cm ÷ 5 = 50 cm
Teaching Note: Convert to the required unit (cm) before dividing, or divide first then convert.
Alternative: 2.5 m ÷ 5 = 0.5 m = 50 cm.
5. The figure below shows a solid made up of 1-cm cubes. What is the volume of the solid? [2]
Answer: (2) 23 cm³
Working:
Full cuboid: 4 × 3 × 2 = 24 cubes
Missing cube at top front corner: 1 cube
Total cubes = 24 − 1 = 23 cubes
Volume = 23 × 1 cm³ = 23 cm³
Teaching Note: Count cubes systematically (layer by layer) or use "full volume minus missing parts" method.
Visual Check: The isometric drawing shows a 4×3×2 block with one corner cube missing.
Section B: Short-Answer Questions (20 marks)
6. Convert 7 km 45 m to metres. [2]
Answer: 7045 m
Working:
1 km = 1000 m
7 km = 7000 m
7 km 45 m = 7000 m + 45 m = 7045 m
Marking: 1 mark for 7 km = 7000 m, 1 mark for correct total.
7. A container has a capacity of 5 ℓ. It contains 3 ℓ 850 mℓ of water. How much more water is needed to fill the container completely? Give your answer in millilitres. [2]
Answer: 1150 mℓ
Working:
Capacity = 5 ℓ = 5000 mℓ
Current water = 3 ℓ 850 mℓ = 3850 mℓ
Water needed = 5000 mℓ − 3850 mℓ = 1150 mℓ
Alternative: 5 ℓ − 3 ℓ 850 mℓ = 1 ℓ 150 mℓ = 1150 mℓ
Marking: 1 mark for correct conversion/subtraction, 1 mark for answer in mℓ.
8. The mass of a box of chocolates is 1.2 kg. The mass of the empty box is 150 g. What is the mass of the chocolates alone? Give your answer in grams. [2]
Answer: 1050 g
Working:
Total mass = 1.2 kg = 1200 g
Box mass = 150 g
Chocolates mass = 1200 g − 150 g = 1050 g
Teaching Note: Convert all to same unit (grams) before subtracting.
Common Mistake: 1.2 kg − 150 g = 1.05 kg (forgetting to convert answer to grams).
9. A rectangular tank has a base area of 600 cm². It contains 12 ℓ of water. What is the height of the water level in the tank? [2]
Answer: 20 cm
Working:
Volume of water = 12 ℓ = 12 000 cm³
Base Area × Height = Volume
600 cm² × Height = 12 000 cm³
Height = 12 000 cm³ ÷ 600 cm² = 20 cm
Teaching Note: 1 ℓ = 1000 cm³. Height = Volume ÷ Base Area.
Marking: 1 mark for volume conversion, 1 mark for correct height.
10. Express 4050 g in kilograms and grams. [2]
Answer: 4 kg 50 g
Working:
4050 g = 4000 g + 50 g = 4 kg 50 g
Teaching Note: Group thousands as kg, remainder as g.
Common Mistake: 4.05 kg (correct but not in "kg and g" format) or 4 kg 5 g (missing zero).
11. A piece of wire 3.6 m long is bent to form a rectangle. The length of the rectangle is twice its breadth. Find the area of the rectangle. [2]
Answer: 7200 cm²
Working:
Perimeter = 3.6 m = 360 cm
Let breadth = B cm, Length = 2B cm
Perimeter = 2(L + B) = 2(2B + B) = 6B
6B = 360 cm → B = 60 cm
Length = 2 × 60 = 120 cm
Area = L × B = 120 cm × 60 cm = 7200 cm²
Teaching Note: Wire length = perimeter. Convert to cm first for area in cm².
Marking: 1 mark for finding dimensions, 1 mark for area.
12. The figure below shows a cube of side 6 cm. Find the volume of the cube. [2]
Answer: 216 cm³
Working:
Volume of cube = Side × Side × Side = 6 cm × 6 cm × 6 cm = 216 cm³
Teaching Note: All sides equal. Volume = s³.
Marking: 1 mark for formula/substitution, 1 mark for answer.
13. Mrs Tan bought 2.5 kg of flour. She used 3/5 of it to bake a cake. How many grams of flour did she have left? [2]
Answer: 1000 g
Working:
Total flour = 2.5 kg = 2500 g
Fraction used = 3/5
Fraction left = 1 − 3/5 = 2/5
Flour left = 2/5 × 2500 g = 1000 g
Alternative: Used = 3/5 × 2500 = 1500 g; Left = 2500 − 1500 = 1000 g
Teaching Note: "Left" means find the remaining fraction. Convert kg to g first.
14. A pail can hold 8 ℓ of water. A cup can hold 250 mℓ of water. What is the maximum number of cups of water that can be filled from a full pail? [2]
Answer: 32 cups
Working:
Pail capacity = 8 ℓ = 8000 mℓ
Cup capacity = 250 mℓ
Number of cups = 8000 mℓ ÷ 250 mℓ = 32
Teaching Note: Convert to same unit (mℓ). Division gives whole number of full cups.
Marking: 1 mark for conversion, 1 mark for division and answer.
15. The total mass of 3 identical books and 2 identical pens is 1.45 kg. The mass of each pen is 50 g. Find the mass of one book in grams. [2]
Answer: 450 g
Working:
Total mass = 1.45 kg = 1450 g
Mass of 2 pens = 2 × 50 g = 100 g
Mass of 3 books = 1450 g − 100 g = 1350 g
Mass of 1 book = 1350 g ÷ 3 = 450 g
Teaching Note: Convert total to grams first. Subtract known masses, then divide.
Marking: 1 mark for mass of 3 books, 1 mark for mass of 1 book.
Section C: Structured / Long-Answer Questions (20 marks)
16. A rectangular tank measuring 50 cm by 40 cm by 35 cm is 2/5 filled with water.
(a) Find the volume of water in the tank. [2]
(b) Water is poured into the tank at a rate of 2 ℓ per minute. How long will it take to fill the tank completely? Give your answer in minutes. [2]
Answer (a): 28 000 cm³
Working (a):
Tank volume = 50 × 40 × 35 = 70 000 cm³
Water volume = 2/5 × 70 000 cm³ = 28 000 cm³
Answer (b): 21 min
Working (b):
Empty volume = 70 000 − 28 000 = 42 000 cm³
= 42 ℓ (since 1000 cm³ = 1 ℓ)
Time = 42 ℓ ÷ 2 ℓ/min = 21 min
Marking (a): 1 mark for tank volume, 1 mark for water volume.
Marking (b): 1 mark for empty volume in ℓ, 1 mark for time.
17. The figure below shows a solid made up of 2-cm cubes. Find the volume of the solid. [4]
Answer: 200 cm³
Working:
Volume of one 2-cm cube = 2 × 2 × 2 = 8 cm³
Number of cubes = 25 (3×3×3 = 27, minus 2 missing)
Total volume = 25 × 8 cm³ = 200 cm³
Alternative:
Full 6 cm cube volume = 6 × 6 × 6 = 216 cm³
Missing cubes volume = 2 × 8 = 16 cm³
Solid volume = 216 − 16 = 200 cm³
Marking: 1 mark for volume of one cube, 1 mark for correct cube count (25), 1 mark for multiplication, 1 mark for final answer with units.
Visual Check: 3×3×3 arrangement with top-center and middle-center cubes missing.
18. A container with a square base of side 20 cm contains some water. When 12 identical marbles are put into the container, the water level rises by 3 cm.
(a) Find the volume of the 12 marbles. [2]
(b) Find the volume of one marble. [2]
Answer (a): 1200 cm³
Working (a):
Base area = 20 cm × 20 cm = 400 cm²
Rise in water level = 3 cm
Volume displaced (volume of 12 marbles) = Base Area × Rise
= 400 cm² × 3 cm = 1200 cm³
Answer (b): 100 cm³
Working (b):
Volume of 1 marble = 1200 cm³ ÷ 12 = 100 cm³
Teaching Note: Displacement method — volume of submerged objects = base area × rise in water level.
Marking (a): 1 mark for base area, 1 mark for volume.
Marking (b): 1 mark for division, 1 mark for answer.
19. Mr Lim bought 15 kg of rice. He packed the rice equally into 8 bags and had 1.2 kg left.
(a) What was the mass of rice in each bag? Give your answer in kilograms. [2]
(b) He then repacked all the rice into packets of 500 g each. How many such packets did he get? [2]
Answer (a): 1.725 kg
Working (a):
Rice packed into bags = 15 kg − 1.2 kg = 13.8 kg
Mass per bag = 13.8 kg ÷ 8 = 1.725 kg
Answer (b): 30 packets
Working (b):
Total rice = 15 kg = 15 000 g
Packet size = 500 g
Number of packets = 15 000 g ÷ 500 g = 30
Teaching Note: Part (a) involves subtraction then division. Part (b) uses total rice (not just packed portion).
Marking (a): 1 mark for rice packed, 1 mark for mass per bag.
Marking (b): 1 mark for conversion to grams, 1 mark for number of packets.
20. The figure below shows a rectangular tank measuring 60 cm by 30 cm by 40 cm. It is filled with water to a height of 25 cm. A solid metal cube of side 10 cm is gently lowered into the tank until it rests on the bottom.
(a) Find the volume of the metal cube. [1]
(b) Find the new height of the water level in the tank after the cube is placed in. [3]
Answer (a): 1000 cm³
Working (a):
Volume of cube = 10 cm × 10 cm × 10 cm = 1000 cm³
Answer (b): 25.56 cm (or 25 5/9 cm)
Working (b):
Initial water volume = 60 × 30 × 25 = 45 000 cm³
Cube volume = 1000 cm³
Total volume (water + cube) = 45 000 + 1000 = 46 000 cm³
Base area of tank = 60 × 30 = 1800 cm²
New water height = Total volume ÷ Base area = 46 000 ÷ 1800 = 25.555... cm
= 25 5/9 cm ≈ 25.56 cm
Teaching Note: The cube displaces water equal to its volume. New height = (water volume + cube volume) ÷ base area.
Marking (a): 1 mark for volume.
Marking (b): 1 mark for initial water volume, 1 mark for total volume, 1 mark for new height calculation.
End of Answer Key
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