Miss Kashef here — let's explore capacity and mass together!
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Capacity and Mass
Hello my curious Grade 3 friends! Today Miss Kashef will teach you about **Capacity** (how much a container can hold) and **Mass** (how heavy something is). We will use litres, millilitres, kilograms and grams with lots of real examples!
What is Capacity?
Capacity is how much liquid a container can hold.
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We measure capacity in Litres (L) and Millilitres (mL)
Capacity Examples
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1 Litre
A carton of milk
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250 mL
A small juice box
1000 mL = 1 L
What is Mass?
Mass is how heavy something is.
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We measure mass in Grams (g) and Kilograms (kg)
Mass Examples
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150 grams
One apple
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2 kilograms
A school bag
1000 grams = 1 kilogram
Comparing Capacity & Mass
Capacity
How much it can hold
Litres & Millilitres
Mass
How heavy it is
Kilograms & Grams
Real Life Practice
A bottle of water = 500 mL
A bag of rice = 2 kg
A glass of juice = 250 mL
Your school bag = 3 kg
Word Problems
A jug holds 2 litres of water. You pour out 750 mL. How much is left?
1.25 litres
You Are Doing Amazing!
You can now measure capacity and mass,
compare them, and use them in real life!
Miss Kashef is so proud of you!
Well Done, My Measurement Champions! 🌟
You have completed the full lesson on Capacity and Mass.
Next time you cook or go shopping, think about capacity and mass!