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Friday, February 24 th

Friday, February 24 th. Warm Up. 1. 2. What is the surface area of cube with all side lengths of 8 in?. What does r 2 mean?. Please complete warm up Take out homework (Cylinder wks ). Test # 4. NEXT THURSDAY. Einstein’s Of The Month. Joke of the Day.

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Friday, February 24 th

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  1. Friday, February 24th Warm Up 1. 2. What is the surface area of cube with all side lengths of 8 in? What does r2 mean? Please complete warm up Take out homework (Cylinder wks)

  2. Test # 4 NEXT THURSDAY

  3. Einstein’s Of The Month

  4. Joke of the Day Why is there not a lot of honey in Boston? Because there’s only one “B” in Boston

  5. Homework Answers Think, Pair, Share

  6. 3-2-1 Summary 3 things you learned 2 things you still have questions on 1 thing you like about geometry

  7. 3-D Shape Review

  8. Question What are two 3-D shapes that have 6 FACES

  9. Answer Cube Rectangular prism

  10. Question Is a cylinder a polyhedron?

  11. Answer NO

  12. Question Is a triangular prism a polyhedron?

  13. Answer YES

  14. Question Is a Cone a polyhedron?

  15. Answer NO

  16. Question Is a pyramid a polyhedron?

  17. Answer YES

  18. Question How many faces?

  19. Answer 5

  20. Question What is the top view of a square pyramid?

  21. Answer

  22. Question How many vertices?

  23. Answer 4

  24. Goal for today Volume and Surface Area CYLINDERS & Prisms

  25. FORMULA SHEET THIS IS WHAT YOU WILL GET FOR: • Test • Interim • CRCT Use it and don’t lose it 

  26. Cylinder Review

  27. Good News Surface Area for Cylinders using nets

  28. #1 Try Together! 24 in² 36 in² 24 in²

  29. #2 You Try! 9.2 in² 9.2 in² 11.4 in²

  30. Surface Area Using Formula #3

  31. Volume Review

  32. What is It?!?! • Volume- The number of cubic units needed to Fill a space • Volume is measured in cubic units (ex: in3)

  33. Rectangular Prisms • **To find the volume of a rectangular prism, multiply the area of the base by the height V=Bh B is the area of the base

  34. BASE Rectanglur Prism: When the Base is a rectangle- to find the B, use L x W, then multiply by the height of the prism Cylinder: When the Base is a circle- to find the B, use A=πr2…then multiply by the height of the cylinder Cube: is a special type of rectangular prism. We can use the formula V=s3 to find the volume, where s=side length

  35. Helpful Hint ALWAYS write the formula, plug in your values, and carefully multiply. CHECK YOUR UNITS!!!

  36. Practice Problems

  37. Questions?!?

  38. Ticket to Go • Please put your name on it! • Show your work write on the sheet of paper • Use your formula sheet! • Don’t forget to label your answers! • Hand in the front bin when you are done 

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