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← Math

Weight and Capacity

Hard⏱ 24 min
Kitchen scales weighing flour, marked in grams and kilograms
📷 Ruth and Dave · CC BY 2.0

(more , ) us how is. We it in (g) and (kg). There are 1,000 in one , so 2.5 kg = 2,500 g.

✨

A bag of 1 kg. A about 150 g. A about 3.5 kg.

A balance scale with weights used to measure mass in grams
📷 Auckland Museum Collections from Auckland, Aotearoa New Zealand · CC BY 2.0
Bar chart01000200030004000150Apple1000Bag of sugar3500Newborn babyMass (grams)
Comparing masses in grams: an apple (150 g), a bag of sugar (1000 g), and a baby (3500 g).

is the a can . We in (ml) and (l). There are 1,000 ml in 1 . A of 1,500 ml = 1.5 l.

A measuring jug filled with water marked in millilitres and litres
📷 Diana Ackerman Grunfeld, Daniel Gilbert, Jennifer Hou, Adele M. Jones, Matthew J · CC BY 4.0

🔗 Match each item to the most sensible unit for measuring it.

  • A spoonful of medicine

  • A bath of water

  • A loaf of bread

  • A sack of potatoes

💡

On a with a , the the to. If the 0, 100 g, 200 g… and the is between 200 and 300, the is 250 g.

like : to kg to g, by 1,000 (4 kg = 4,000 g); to g to kg, by 1,000 (2,000 g = 2 kg). and the way, because both use 1,000.

This muchIs the same as
1000 g1 kg
500 ghalf a kilogram (0.5 kg)
1000 ml1 litre
500 mlhalf a litre (0.5 l)
Weight and capacity both step in 1000s — exactly like metres and millimetres.

🃏 Flip a card to convert the measurement.

Tap each card to see the answer.

and the as with — just the the . If a needs 750 g of and you have 1 kg (1,000 g), you will have 1,000 − 750 = 250 g .

✨

A of 1 . That is a very to !

🧩 Order these masses from lightest to heaviest.

  1. 2,500 g (= 2.5 kg)
  2. 1 kg (= 1,000 g)
  3. 500 g
  4. 150 g

a . If a jug is every 100 ml and the the 200 ml, you 200 + 100 + 100 = 400 ml. the of each on the .

A one litre bottle of water for measuring capacity
📷 Marianne Casamance · CC BY-SA 3.0

🗂️ Sort each measurement into the correct category.

  • 350 g

  • 500 ml

  • 2 kg

  • 1.5 l

⚠️

mix up the ! 500 g and 500 ml are both '500', but one how is and the other how much in.

✍️ Complete the conversions.

3 kg = g, and 2 l = ml.

Quiz time! 📝

Weight and Capacity Quiz

Question 1 of 5

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How many are in one ?

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