Grade 3 Measuring worksheet
from Gradelings · Name: ______________________
How to explain it
- Length: millimetres, centimetres, metres and kilometres.
- Mass: grams (g) and kilograms (kg).
- Capacity: millilitres (mL) and litres (L). Pick a unit that fits.
Example: Which unit fits the mass of an apple? An apple is light. Light things are measured in grams. Answer: Grams (g)
Question 1
Which unit would you use to measure the length of a ladybug?
🐞- centimetres
- litres
- metres
centimetres
Hint: Use centimetres for short things and metres for long things. 1 metre is 100 centimetres.
Question 2
About how much does a juice box hold?
🧃- 200 mL
- 200 L
- 20 L
200 mL
Hint: A juice box holds a small drink, so use millilitres: about 200 mL.
Question 3
How many millilitres are in 1 litre?
answer box
1000
Hint: 1 litre is 1000 millilitres.
Question 4
A ribbon is 42 cm long. Noah cuts off 23 cm. How long is the ribbon now?
🎀answer boxcm
19 cm
Hint: Take away: 42 − 23 = 19 cm.
Question 5
Which is longer: 1 m or 150 cm?
- They are the same
- 1 m
- 150 cm
150 cm
Hint: Change to the same unit: 1 m = 100 cm, so 1 m = 100 cm. Now compare 100 cm with 150 cm.
Question 6
How long is the pencil?
✏️0123456789101112131415cmanswer boxcm
6 cm
Hint: The pencil starts at 0. Read the number at its end: 6 cm.
Question 7
About how tall is a classroom door?
🚪- 2 cm
- 20 m
- 2 m
2 m
Hint: A door is a bit taller than a grown-up, but much shorter than a house: about 2 m.
Question 8
Which unit would you use to measure how much a bucket holds?
🪣- litres
- centimetres
- millilitres
litres
Hint: Millilitres are for small amounts, like a spoonful. Litres are for big amounts, like a bucket of water. 1 litre is 1000 millilitres.
Question 9
How long is the feather?
🪶0123456789101112131415cm- 9 cm
- 12 cm
- 11 cm
- 10 cm
10 cm
Hint: The feather starts at 0. Read the number at its end: 10 cm.
Question 10
Which unit would you use to measure the mass of a watermelon?
🍉- kilograms
- grams
- millilitres
kilograms
Hint: Grams are for light things, like a paper clip. Kilograms are for heavy things, like a bag of potatoes. 1 kilogram is 1000 grams.
Answer key
- 1. centimetres
- 2. 200 mL
- 3. 1000
- 4. 19 cm
- 5. 150 cm
- 6. 6 cm
- 7. 2 m
- 8. litres
- 9. 10 cm
- 10. kilograms
Want more than 10 questions?
In Gradelings the questions change every time and adjust to your child, with hints and kind feedback.