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Kashef

Your super kind Grade 5 math teacher ❤️

Understand Volume!

How Much Space Inside a 3D Shape?

Grade 5 Ontario Math 📚 • Measurement

Hello my wonderful Grade 5 superstar! 👋

I'm Kashef and today we're learning about Volume! Volume tells us how much space is inside a 3D shape — like how many little cubes can fit inside a box. For rectangular prisms (boxes), the formula is easy: Volume = Length × Width × Height. Ready to fill up some boxes? Let’s go! 🚀

🧠 What is Volume?

Volume is the amount of space a 3D object takes up.

We measure it in cubic units: cm³, m³, etc.

1
1
1
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This layer has 6 little cubes (1 cm³ each)

📏 Volume Formula

Volume = Length × Width × Height

Example: A box is 5 cm long, 4 cm wide, 3 cm high.
Volume = 5 × 4 × 3 = 60 cm³

🎯 Let’s Find Volumes!

1. A box is 8 cm long, 6 cm wide, and 5 cm high. What is its volume?

240 cm³ (8 × 6 × 5)

2. A fish tank is 50 cm long, 30 cm wide, and 40 cm high. What is its volume?

60,000 cm³ (or 60 litres)

3. A cube has sides of 4 cm. What is its volume?

64 cm³ (4 × 4 × 4)

🌍 Volume in Real Life

🥛 How much milk fits in a carton
🏠 How much air is in a room
🎁 How many toys fit in a box
🐟 How much water in a fish tank

🧪 Quick Volume Quiz

Question: A box is 6 cm long, 5 cm wide, and 4 cm high. Its volume is...

You are a Volume Expert! 🎉🥳

Kashef is super proud of you! You can now find the volume of rectangular prisms.

Volume helps us understand how much space things take up — you're thinking in 3D like a real scientist!