3D Shapes for Year 3
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3D Shapes for Year 3
Exploring the world of three-dimensional shapes WALT: Identify and describe 3D shapes in our environment
What Are 3D Shapes?
3D shapes are solid objects They have length, width, and height We can hold them in our hands They take up space
Shape Hunt Challenge
Look around the classroom Find one cube, one sphere, one cylinder Draw or write what you found Share with a partner
Meet the Cube
6 square faces 8 corners (vertices) 12 edges All faces are the same size
Meet the Sphere
Perfectly round shape No faces, edges, or corners Rolls in any direction Like a ball
Cube vs Sphere Comparison
{"left":"Has 6 square faces\nHas 8 corners\nHas 12 edges\nCannot roll easily","right":"Perfectly round\nNo faces or corners\nNo edges\nRolls smoothly"}
Meet the Cylinder
2 circular faces (top and bottom) 1 curved surface around the middle Can roll like a wheel Like a can or tube
Quick Shape Quiz
Which shape has 6 square faces? Which shape rolls in any direction? Which shape has 2 circular faces? Which shapes can you find in our classroom?
Shape Sorting Game
Work in groups of 3-4 Sort the objects into shape families Cubes in one group, spheres in another Explain your choices to the class
3D Shapes in Our World
Cubes: dice, building blocks, ice cubes Spheres: balls, oranges, marbles Cylinders: cans, pipes, logs 3D shapes are everywhere!