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# Solid Figures

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### Solid Figures

1. 1. SOLID FIGURES Chapter 21.1 Standards: MG 2.0, MG 2.5 Tuesday, August 11, 2009
2. 2. OBJECTIVE To describe properties of solid ﬁgures and name the faces that make up solid ﬁgures. Standards: MG 2.0, MG 2.5 Tuesday, August 11, 2009
3. 3. VOCABULARY Face - A ﬂat surface of a solid ﬁgure. Standards: MG 2.0, MG 2.5 Tuesday, August 11, 2009
4. 4. VOCABULARY Vertex - a corner where three or more edges of a solid ﬁgure meet. Standards: MG 2.0, MG 2.5 Tuesday, August 11, 2009
5. 5. VOCABULARY Edge - the line segment formed where two faces of a solid ﬁgure meet. Standards: MG 2.0, MG 2.5 Tuesday, August 11, 2009
6. 6. SOLID FIGURES Name Faces Edges Cube 6 12 6 squares Tuesday, August 11, 2009
7. 7. SOLID FIGURES Name Faces Edges Rectangular Prism 6 12 2 squares, 4 rectangles Tuesday, August 11, 2009
8. 8. SOLID FIGURES Name Faces Edges Square Pyramid 5 8 1square, 4 triangles Tuesday, August 11, 2009
9. 9. SOLID FIGURES Name Faces Edges Cylinder 2 2 2 circles, 1 rectangle Tuesday, August 11, 2009
10. 10. SOLID FIGURES Name Faces Edges Cone 1 1 1 circles, 1 rectangle Tuesday, August 11, 2009
11. 11. SOLID FIGURES Name Faces Edges Sphere 0 0 Tuesday, August 11, 2009
12. 12. SOLID FIGURES Activity Materials: Solid Figures, Large Paper, Crayons Steps: Traces the faces of several solid ﬁgures. Then name up the faces that make up each solid ﬁgure. Names and # of Name Faces Faces Tuesday, August 11, 2009
13. 13. SOLID FIGURE Practice: Which ﬁgure goes with the faces. 1. 2. Tuesday, August 11, 2009
14. 14. SOLID FIGURE Practice: Identify the solid ﬁgures below. 1. 2. 3. 4. Tuesday, August 11, 2009
15. 15. SOLID FIGURES Try it on your own. PW Tuesday, August 11, 2009
16. 16. COMBINE SOLID FIGURES 21.2 Tuesday, August 11, 2009
17. 17. OBJECTIVE To identify solid ﬁgures within complex solid objects. Standard MG 2.5, MG 2.6 Tuesday, August 11, 2009
18. 18. COMBINE SOLID FIGURES When you know how to identify solid ﬁgures, you’ll notice them in objects around you. How is a cube different from a square? If you were building a model of a rocket from solid ﬁgures, what two ﬁgures might you use? Tuesday, August 11, 2009
19. 19. LINE SEGMENTS AND ANGLES 21.3 Tuesday, August 11, 2009
20. 20. OBJECTIVE To identify lines, line segments and rays and to classify angles as greater than or less than a right angle. Tuesday, August 11, 2009
21. 21. VOCABULARY Line - a straight path extending in both directions with no endpoints. Tuesday, August 11, 2009
22. 22. VOCABULARY point - an exact position or location. Tuesday, August 11, 2009
23. 23. VOCABULARY Line Segment - part of a line between two end points. Tuesday, August 11, 2009
24. 24. VOCABULARY Ray - a part of a line that begins at one endpoints and continues in one direction. Tuesday, August 11, 2009
25. 25. VOCABULARY Angle - a ﬁgure formed by two rays with the same endpoint. Tuesday, August 11, 2009
26. 26. VOCABULARY Right Angle - a special angle that forms a square corner. Tuesday, August 11, 2009
27. 27. LINE SEGMENTS 1. What ﬁgure is drawn? 2. How many sides does the ﬁgure have? 3. Home many line segments? How are the lines and line segments alike? How are they different? Tuesday, August 11, 2009
28. 28. ANGLES Some angles are less than a right angle. Tuesday, August 11, 2009
29. 29. ANGLES Some angles are greater than a right angle. Tuesday, August 11, 2009
30. 30. TRY IT OUT. Tuesday, August 11, 2009