Primary 2 · Mathematics · Length, Mass & Volume
Length, Mass & Volume questions for Primary 2 Maths
10 questions to work through online. Answer and you get the working straight away, then a score at the end. No sign-up, and you can retake it as often as you like.
- Length conversion
- Mass conversion
- Volume conversion
- Adding lengths
- Comparing mass
- Remaining volume
- Comparing lengths
- Adding mass
- Sharing a length
- Adding volume
Answers and explanations for all 10 questions
Every answer with the reasoning behind it. Worth reading after you have tried the set — or on its own, if you are a parent marking it.
1 m 20 cm = ? cm
Answer: 120 cm
1 m = 100 cm, so 1 m 20 cm = 120 cm.
2 kg = ? g
Answer: 2000 g
1 kg = 1000 g, so 2 kg = 2000 g.
1 ℓ = ? ml
Answer: 1000 ml
1 ℓ = 1000 ml.
A ribbon 45 cm long is joined to another of 30 cm. What is the total length?
Answer: 75 cm
45 cm + 30 cm = 75 cm.
A bag of flour has a mass of 2 kg. A bag of sugar has a mass of 750 g. How much heavier is the flour?
Answer: 1 kg 250 g
2 kg = 2000 g, and 2000 − 750 = 1250 g, which is 1 kg 250 g.
A 1-litre bottle has 400 ml of water in it. How much more is needed to fill it?
Answer: 600 ml
1000 ml − 400 ml = 600 ml.
Which of these is the longest?
Answer: 2 m
2 m = 200 cm, which is longer than 1 m 50 cm, 80 cm and 20 cm.
A melon has a mass of 1 kg 200 g. An apple has a mass of 250 g. What is their total mass?
Answer: 1 kg 450 g
1200 g + 250 g = 1450 g, which is 1 kg 450 g.
A 80 cm string is cut into 4 equal pieces. How long is each piece?
Answer: 20 cm
80 cm ÷ 4 = 20 cm.
A jug holds 1 ℓ 200 ml of juice. Another 300 ml is poured in. How much juice is in the jug now?
Answer: 1 ℓ 500 ml
1200 ml + 300 ml = 1500 ml, which is 1 ℓ 500 ml.