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Primary 4 Mathematics Measurement Quiz
Free P4 Maths Measurement quiz, LongCat Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.
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Questions
Primary 4 Mathematics Quiz - Measurement
Name: ____________________
Class: ____________________
Date: ____________________
Score: _____ / 40
Duration: 50 minutes
Total Marks: 40
Instructions:
- Answer ALL questions.
- Show your working clearly in the space provided.
- Write your answers in the blanks where given.
- Do not use a calculator.
Section A: Length and Distance (Questions 1–5)
Each question carries 2 marks.
1. The length of a pencil is 18 cm. What is the length in millimetres?
Answer: __________ mm
2. A ribbon is 2 m 45 cm long. Express the length of the ribbon in centimetres only.
Answer: __________ cm
3. Arrange the following lengths from shortest to longest.
1 km 200 m | 1,500 m | 1 km 850 m | 1,050 m
Shortest ⟶ Longest: __________, __________, __________, __________
4. Mira walked 3 km 600 m from her home to the library. She then walked 2 km 750 m from the library to the market. What was the total distance Mira walked?
Answer: __________ km __________ m
5. A rope is 5 m long. Jenny cuts off 2 m 80 cm. What is the length of the remaining rope?
Answer: __________ m __________ cm
Section B: Mass (Questions 6–10)
Each question carries 2 marks.
6. A bag of rice has a mass of 5 kg. What is the mass in grams?
Answer: __________ g
7. Arrange the following masses from lightest to heaviest.
3 kg 200 g | 3,020 g | 3 kg 50 g | 3,500 g
Lightest ⟶ Heaviest: __________, __________, __________, __________
8. A watermelon has a mass of 4 kg 350 g. A pineapple has a mass of 2 kg 800 g. What is the total mass of the two fruits?
Answer: __________ kg __________ g
9. A box of apples has a mass of 3 kg 600 g. Ali removes 1 kg 750 g of apples from the box. What is the mass of the apples remaining in the box?
Answer: __________ kg __________ g
10. The mass of a textbook is 750 g. What is the mass of 4 such textbooks? Give your answer in kilograms and grams.
Answer: __________ kg __________ g
Section C: Volume of Liquid (Questions 11–15)
Each question carries 2 marks.
11. A bottle contains 1 ℓ 300 mℓ of juice. Express the volume in millilitres only.
Answer: __________ mℓ
12. Arrange the following volumes from smallest to largest.
2 ℓ 500 mℓ | 2,050 mℓ | 2 ℓ 50 mℓ | 2,500 mℓ
Smallest ⟶ Largest: __________, __________, __________, __________
13. A tank is filled with 8 ℓ 400 mℓ of water. Another 3 ℓ 750 mℓ of water is added. What is the total volume of water in the tank?
Answer: __________ ℓ __________ mℓ
14. A container has 6 ℓ 200 mℓ of milk. 2 ℓ 850 mℓ of milk is used for baking. How much milk is left in the container?
Answer: __________ ℓ __________ mℓ
15. A jug holds 500 mℓ of water. How many jugs of water are needed to fill a 4 ℓ container?
Answer: __________ jugs
Section D: Word Problems on Measurement (Questions 16–20)
Questions 16–18 carry 2 marks each. Questions 19–20 carry 3 marks each.
16. A piece of string is 4 m 50 cm long. It is cut into 3 equal pieces. What is the length of each piece?
Answer: __________ m __________ cm
17. Mrs Tan bought 2 kg 500 g of flour. She used 1 kg 800 g to bake a cake. How much flour did she have left?
Answer: __________ kg __________ g
18. A water tank contained 15 ℓ 600 mℓ of water in the morning. During the day, 8 ℓ 750 mℓ of water was used. How much water was left in the tank by the end of the day?
Answer: __________ ℓ __________ mℓ
19. A farmer has 3 baskets of mangoes. Basket A has a mass of 4 kg 200 g. Basket B has a mass of 3 kg 750 g. Basket C has a mass of 5 kg 50 g.
(a) Find the total mass of the three baskets of mangoes.
Answer: __________ kg __________ g
(b) The farmer packs all the mangoes equally into 5 boxes. What is the mass of mangoes in each box?
Answer: __________ kg __________ g
20. A rectangular tank has a length of 80 cm, a breadth of 50 cm, and a height of 40 cm. It is filled with water to a height of 25 cm.
(a) What is the volume of water in the tank? (Volume = length × breadth × height)
Answer: __________ cm³
(b) Express your answer in litres.
Answer: __________ ℓ
Answers
Primary 4 Mathematics Quiz - Measurement
Answer Key
1. 180 mm
Working: 1 cm = 10 mm, so 18 cm = 18 × 10 = 180 mm.
Marking: 2 marks for correct answer with or without working.
2. 245 cm
Working: 2 m = 200 cm, so 2 m 45 cm = 200 + 45 = 245 cm.
Marking: 2 marks for correct answer.
3. 1,050 m, 1 km 200 m, 1 km 850 m, 1,500 m
Working: Convert all to metres. 1 km 200 m = 1,200 m; 1 km 850 m = 1,850 m. Order: 1,050 < 1,200 < 1,500 < 1,850.
Marking: 2 marks for fully correct order. 1 mark if only 2 out of 4 positions are correct.
4. 6 km 350 m
Working: 3 km 600 m + 2 km 750 m. km: 3 + 2 = 5 km. m: 600 + 750 = 1,350 m = 1 km 350 m. Total = 5 km + 1 km 350 m = 6 km 350 m.
Marking: 2 marks for correct answer. 1 mark for correct addition without proper conversion.
5. 2 m 20 cm
Working: 5 m = 5 m 0 cm. 5 m 0 cm − 2 m 80 cm. Borrow 1 m = 100 cm. So 4 m 100 cm − 2 m 80 cm = 2 m 20 cm.
Marking: 2 marks for correct answer. 1 mark for correct method with arithmetic error.
6. 5,000 g
Working: 1 kg = 1,000 g, so 5 kg = 5 × 1,000 = 5,000 g.
Marking: 2 marks for correct answer.
7. 3,020 g, 3 kg 50 g, 3 kg 200 g, 3,500 g
Working: Convert all to grams. 3 kg 200 g = 3,200 g; 3 kg 50 g = 3,050 g; 3,500 g = 3,500 g. Order: 3,020 < 3,050 < 3,200 < 3,500.
Marking: 2 marks for fully correct order. 1 mark if partially correct.
8. 7 kg 150 g
Working: 4 kg 350 g + 2 kg 800 g. kg: 4 + 2 = 6 kg. g: 350 + 800 = 1,150 g = 1 kg 150 g. Total = 6 kg + 1 kg 150 g = 7 kg 150 g.
Marking: 2 marks for correct answer. 1 mark for correct addition without conversion.
9. 1 kg 850 g
Working: 3 kg 600 g − 1 kg 750 g. Borrow 1 kg = 1,000 g. So 2 kg 1,600 g − 1 kg 750 g = 1 kg 850 g.
Marking: 2 marks for correct answer. 1 mark for correct method with arithmetic error.
10. 3 kg 0 g (or simply 3 kg)
Working: 750 g × 4 = 3,000 g = 3 kg.
Marking: 2 marks for correct answer in kg and g. Accept "3 kg" as equivalent.
11. 1,300 mℓ
Working: 1 ℓ = 1,000 mℓ, so 1 ℓ 300 mℓ = 1,000 + 300 = 1,300 mℓ.
Marking: 2 marks for correct answer.
12. 2,050 mℓ, 2 ℓ 50 mℓ, 2 ℓ 500 mℓ, 2,500 mℓ
Working: Convert all to mℓ. 2 ℓ 500 mℓ = 2,500 mℓ; 2 ℓ 50 mℓ = 2,050 mℓ; 2,500 mℓ = 2,500 mℓ. Order: 2,050 < 2,050... Wait — 2 ℓ 50 mℓ = 2,050 mℓ; 2 ℓ 500 mℓ = 2,500 mℓ; 2,500 mℓ = 2,500 mℓ. So: 2,050 mℓ, 2 ℓ 50 mℓ (=2,050 mℓ — same value), 2 ℓ 500 mℓ (=2,500 mℓ), 2,500 mℓ (=2,500 mℓ). Correct order: 2,050 mℓ = 2 ℓ 50 mℓ, then 2 ℓ 500 mℓ = 2,500 mℓ. Listing all four: 2,050 mℓ, 2 ℓ 50 mℓ, 2 ℓ 500 mℓ, 2,500 mℓ.
Marking: 2 marks for fully correct order. Note: 2,050 mℓ and 2 ℓ 50 mℓ are equal; 2 ℓ 500 mℓ and 2,500 mℓ are equal.
13. 12 ℓ 150 mℓ
Working: 8 ℓ 400 mℓ + 3 ℓ 750 mℓ. ℓ: 8 + 3 = 11 ℓ. mℓ: 400 + 750 = 1,150 mℓ = 1 ℓ 150 mℓ. Total = 11 ℓ + 1 ℓ 150 mℓ = 12 ℓ 150 mℓ.
Marking: 2 marks for correct answer. 1 mark for correct addition without conversion.
14. 3 ℓ 350 mℓ
Working: 6 ℓ 200 mℓ − 2 ℓ 850 mℓ. Borrow 1 ℓ = 1,000 mℓ. So 5 ℓ 1,200 mℓ − 2 ℓ 850 mℓ = 3 ℓ 350 mℓ.
Marking: 2 marks for correct answer. 1 mark for correct method with arithmetic error.
15. 8 jugs
Working: 4 ℓ = 4,000 mℓ. 4,000 ÷ 500 = 8 jugs.
Marking: 2 marks for correct answer. 1 mark for correct division but wrong conversion.
16. 1 m 50 cm
Working: 4 m 50 cm = 450 cm. 450 ÷ 3 = 150 cm = 1 m 50 cm.
Marking: 2 marks for correct answer. 1 mark for correct division without unit conversion.
17. 700 g (or 0 kg 700 g)
Working: 2 kg 500 g − 1 kg 800 g. Borrow 1 kg = 1,000 g. So 1 kg 1,500 g − 1 kg 800 g = 700 g.
Marking: 2 marks for correct answer. 1 mark for correct method with arithmetic error.
18. 6 ℓ 850 mℓ
Working: 15 ℓ 600 mℓ − 8 ℓ 750 mℓ. Borrow 1 ℓ = 1,000 mℓ. So 14 ℓ 1,600 mℓ − 8 ℓ 750 mℓ = 6 ℓ 850 mℓ.
Marking: 2 marks for correct answer. 1 mark for correct method with arithmetic error.
19.
(a) 12 kg 0 g
Working: 4 kg 200 g + 3 kg 750 g + 5 kg 50 g. kg: 4 + 3 + 5 = 12 kg. g: 200 + 750 + 50 = 1,000 g = 1 kg. Total = 12 kg + 1 kg = 13 kg 0 g.
Correction: 200 + 750 + 50 = 1,000 g = 1 kg. So 12 kg + 1 kg = 13 kg.
Answer: 13 kg 0 g
(b) 2 kg 600 g
Working: 13 kg = 13,000 g. 13,000 ÷ 5 = 2,600 g = 2 kg 600 g.
Marking: Part (a): 1 mark. Part (b): 2 marks (1 for correct division, 1 for correct unit).
20.
(a) 100,000 cm³
Working: Volume = 80 × 50 × 25 = 4,000 × 25 = 100,000 cm³.
(b) 100 ℓ
Working: 1 ℓ = 1,000 cm³. So 100,000 cm³ = 100,000 ÷ 1,000 = 100 ℓ.
Marking: Part (a): 1 mark. Part (b): 2 marks (1 for correct conversion, 1 for correct answer).
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