Three dimensional shapes have 3 "dimensions." They have length, width and height. Some are solid and others have space inside!
Here are some cool resources and activities to help you learn more!
Videos:
3D shapes; surfaces, faces and vertices explained
Monster Trucks Learn 3D Shapes
Read Alouds:
Captain Invincible And The Space Shapes
Songs:
3D Shapes Song The Singing Walrus
Activities/Games:
Home Activities for 2D and 3D shapes
Go On a 3D Shape hunt inside and/or outside- make a tally chart and a graph!
Create 3D shapes using toothpicks and little balls (spheres) of play doh or mini marshmallows!
IXL Section W has lots of great practice!!