This lesson contains 6 slides, with text slides and 2 videos.
Lesson duration is: 60 min
Items in this lesson
Slide 1 - Video
Slide 2 - Slide
Objects with flat and curved surfaces
A flat surface is any flat surface of that object. The base of an object is the face of which it is resting.
Curved surfaces- Sphere ,Cone and Cylinder
Flat surface-Rectangular prism , Square-based pyramid and Pentagon
Slide 3 - Slide
Name 6 objects that have a flat surface( do not name the ones in the previse slide).
Name 3 objects with curved surfaces( from previous slide).
Slide 4 - Slide
Line of symmetry
What is line of symmetry ?
Line of symmetry is symmetry with respect to reflection. This, is a figure which does not change upon undergoing a reflection . In 2D objects there is a line and in 3D objects there is a plane of symmetry.