2D shapes are flat. 3D shapes are solid. Some examples of 3D shapes are cubes, spheres, and cones.
To better understand intro to 3D Shapes…
LET’S BREAK IT DOWN!
Properties of flat shapes
A circle has no sides and no corners. A triangle has three sides and three corners. A rectangle has four sides and four square corners. A square is a rectangle where all of the sides are the same length.
Balls are spheres.
A sphere is a solid shape with no sides and no corners. A baseball is a sphere. A basketball is a sphere.
Boxes are rectangular prisms.
You see a box. All the faces of the box are shaped like rectangles. This box is a 3D shape called a rectangular prism. A cube has 6 faces that are squares.
A bucket is a cylinder.
You have a bucket of ice cream. The bucket has a circle at the top and at the bottom. The sides of the bucket are curved. This is a cylinder. A can of soda is also a cylinder.
Ice cream cones are cones.
We scoop the ice-cream into an ice cream cone. A cone is a 3D shape that has a circle on one end. The other end is pointy. The orange markers on roads are called traffic cones. This is because they are shaped like cones.
INTRO TO 3D SHAPES VOCABULARY
INTRO TO 3D SHAPES DISCUSSION QUESTIONS
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