1 / 16

Spark Plug

Explore the characteristics of 2D shapes such as triangles, circles, and rectangles found in the classroom. Discover the different types of polygons like pentagons, hexagons, and decagons, and their properties. Learn about 3D shapes including pyramids and prisms, including how to calculate their surface area and volume using formulas. This guide provides practical examples and easy-to-follow rules for identifying and working with shapes in everyday environments.

onella
Télécharger la présentation

Spark Plug

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Spark Plug • Write 3 examples of a triangle you see in the room. • Write 3 examples of a circle you see in the classroom. • Write 3 examples of a rectangle you see in the classroom.

  2. Names of 2D Figures 3 Triangle 10 decagon 4 Rectangle 11 hendecagon 5 Pentagon 12 dodecagon 6 Hexagon 7 Heptagon 8 Octagon 9 Nonagon

  3. 3-D Shapes Pyramids • Only has one base • Named by it’s base ( put “al” on end if it ends with “gon and “ar “ if it ends with “angle”) • Comes to a point • Triangles for sides Prisms • Named by the two identical bases ( put “al” on end if it ends with “gon and “ar “ if it ends with “angle”) • Rectangles for sides • Has a flat top and bottom

  4. CRCT Formula Sheet:

  5. Area Formula review: • Rectangle: A= l x w • Triangle: A= ½ bh • You can find the surface area of any 2 or 3 dimensional figure by “decomposing” it

  6. Decompose to find the area:

  7. Let’s try:

  8. Try this one:

  9. Last one:

  10. Spark Plug: Find the surface area.

  11. VOLUME: • Prisms: V= Bh (big B means to find the area of the base) • V= l x w x h for rectangular prisms ONLY • Pyramids: V= 1/3Bh (big B means to find the area of the base)

  12. Let’s try these:

  13. Try some of these:

  14. Just a few more:

  15. Now try this one:

More Related