1. Do Now
What shape would you get if you cut through the stick of butter? (give the most specific name)

2. Cross Section
The face that results when you make one slice through an object.

3. Objective
SWBAT describe the two – dimensional figures that result from slicing three – dimensional figures.

4. Parallel Slice Oblique Slice Perpendicular Slice (Horizontal) (Angled)
(Vertical)

5. Name the two-dimensional cross section that results from a perpendicular slice through a rectangular prism.

6. Name the two-dimensional cross section that results from a perpendicular slice through a rectangular prism.
Rectangle

7. Name the two-dimensional cross section that results from a parallel slice through a rectangular prism.

8. Name the two dimensional cross section that results from a parallel slice through a rectangular prism.
Rectangle

9. Name the two-dimensional cross section that results from an oblique slice through a rectangular prism.

10. Name the two-dimensional cross section that results from an oblique slice through a rectangular prism.
Rectangle, parallelogram, or triangle depending on the angle and positioning of the slice.

11. Name the two-dimensional cross section that results from a perpendicular slice through a rectangular pyramid.

12. (not through top vertex)
Name the two-dimensional cross section that results from a perpendicular slice through a rectangular pyramid.
Triangle
(through top vertex)
Trapezoid
(not through top vertex)

13. Name the two-dimensional cross section that results from a parallel slice through a rectangular pyramid.

14. Name the two-dimensional cross section that results from a parallel slice through a rectangular pyramid.

15. Name the two-dimensional cross section that results from an oblique slice through a rectangular pyramid.

16. Name the two-dimensional cross section that results from an oblique slice through a rectangular pyramid.
Trapezoid