Unit 8 Perimeter Area Surface Area Volume As

Unit 8: Perimeter, Area, Surface Area, Volume ü As you log in, make sure your audio is working properly. ü Go to Tools – Audio Setup Wizard ü Make sure you have paper and pencil ready to write down and show your work for all problems. ü You may organize your paper by numbering the T slides ü Please keep the chat box to questions only!!!! ü There are 6 slides. We will being promptly at 7 pm!!

SLIDE 1 A) Find surface area of each figure. (UNITS!) B)

SLIDE 2 A) B) Find volume of each figure. (UNITS!) C) D)

SLIDE 3 Identify whether you will use perimeter, area, surface area or volume to solve each. a) Wrapping paper of a box. b) Bubble wrap filling a box. c) White board covering the wall. d) Barbed wiring around a building. e) Posters covering a wall. f) Spaghetti filling a can.

SLIDE 4 Find SA or Vol based on the problem. a) How much wrapping paper will it take to cover the present shown? 7 in 5 in b) 3. 5 in A metal can of bug spray is filled with chemicals to eliminate fleas. What is the maximum amount of chemicals can be used to fill a cylindrical can that is 4 inches across and 7 inches tall?

SLIDE 5 Changing Attributes a) A rectangular prism has a width of 6 inches and a volume of 36 inches. If the width of the prism is changed to 3, what is the new volume of the rectangular prism? b) A rectangular prism has a volume of 12. After one attribute was changed, the new volume is 48. Which of the following could be true? a) b) c) d) The width was multiplied by a scale factor of 3 The height was multiplied by a scale factor of ¼ The length was multiplied by a scale factor of 4 The length was multiplied by a scale factor of 5