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Kashef

Your super kind Grade 5 math teacher ❀️

Rectangular Prisms!

Box Shapes with 6 Rectangular Faces

Grade 5 Ontario Math πŸ“š β€’ Geometry & Spatial Sense

Hello my wonderful Grade 5 superstar! πŸ‘‹

I'm Kashef and today we're learning about Rectangular Prisms! Also called cuboids, these are 3D box shapes with 6 rectangular faces. Think of a cereal box, a book, or your classroom! Ready to explore these everyday heroes? Let’s go! πŸš€

🧠 What is a Rectangular Prism?

A 3D shape with:

  • 6 rectangular faces
  • 12 edges
  • 8 vertices (corners)
  • Opposite faces are equal and parallel
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A rectangular prism (cuboid) β€” like a shoebox!

πŸ”„ Cube vs Rectangular Prism

Cube: All faces are squares (special rectangular prism)

Rectangular Prism: Faces are rectangles (can be long or wide)

🎯 Let’s Practice with Rectangular Prisms!

1. How many faces does a rectangular prism have?

6 faces

2. Name something in your house that is a rectangular prism.

Book, fridge, TV, tissue box, door

3. How many edges does it have?

12 edges

🌍 Rectangular Prisms in Real Life

πŸ“š Books and notebooks
πŸ“¦ Shipping boxes and cereal boxes
🧊 Fridges and freezers
πŸ›οΈ Mattresses and pillows
🏠 Rooms in your house

πŸ§ͺ Quick Rectangular Prism Quiz

Question: A rectangular prism has...

You are a Rectangular Prism Expert! πŸŽ‰πŸ₯³

Kashef is super proud of you! You can now describe rectangular prisms and spot them everywhere.

These box shapes are strong and useful β€” they hold our stuff and help us build!