Unit 7: Solid Figures and Measurement

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Unit 7 Solid Figures and Measurement

• Nows the time to SHAPE UP!!

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What am I Learning Today?

• Solid Figures

How will I show that I learned it?
Identify, sort, and classify solid figures by the
shapes of their bases Identify and compare
faces, edges, and vertices of solid figures to
determine its shape
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Review/Preview
One-Dimensional figure
Length
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Review/Preview
Two-Dimensional figure- A PLANE FIGURE
Length and width
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Review/Preview
Three-Dimensional figure- A SOLID FIGURE
Length, width, and height
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What do we know about plane figures?
Shape Name Characteristics Polygon





4 sides, 4 right angles, opposite sides are
parallel and congruent
Rectangle
yes
3 sides, can have varying lengths, angles 180
degrees
Triangle
yes
no
Circle
No sides or angles
yes
6 congruent sides 6 congruent angles
Hexagon
4 congruent sides, 4 congruent right angles,
opposite sides are parallel
Square
yes
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Vocabulary

• Solid figure A three dimensional figure

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Examples of solid figures
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Vocabulary

• Solid figure A three dimensional figure
• Polygon A closed plane figure formed by three or
  more line segments that intersect only at their
  end points.

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Examples of Polygons
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Vocabulary

• Solid figure A three dimensional figure
• Polygon A closed plane figure formed by three or
  more line segments that intersect only at their
  end points.
• Polyhedron A solid figure in which all the
  surfaces or faces are polygons.

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Polyhedron
Polygon (pentagon)
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Vocabulary

• Solid figure A three dimensional figure
• Polygon A closed plane figure formed by three or
  more line segments that intersect only at their
  end points.
• Polyhedron A solid figure in which all the
  surfaces or faces are polygons.
• Face A flat surface on a polyhedron.

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A Face
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Vocabulary

• Solid figure A three dimensional figure
• Polygon A closed plane figure formed by three or
  more line segments that intersect only at their
  end points.
• Polyhedron A solid figure in which all the
  surfaces or faces are polygons.
• Face A flat surface on a polyhedron.
• Base The face of a solid figure by which it is
  classified.

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A Base
This figure has two bases
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Vocabulary

• Solid figure A three dimensional figure
• Polygon A closed plane figure formed by three or
  more line segments that intersect only at their
  end points.
• Polyhedron A solid figure in which all the
  surfaces or faces are polygons.
• Face A flat surface on a polyhedron.
• Base The face of a solid figure by which it is
  classified.
• Edge The line segment along which two faces of a
  polyhedron intersect.

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An Edge
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Vocabulary

• Solid figure A three dimensional figure
• Polygon A closed plane figure formed by three or
  more line segments that intersect only at their
  end points.
• Polyhedron A solid figure in which all the
  surfaces or faces are polygons.
• Face A flat surface on a polyhedron.
• Base The face of a solid figure by which it is
  classified.
• Edge The line segment along which two faces of a
  polyhedron intersect.
• Vertex The intersection of three faces that form
  a corner.

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A Vertex
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Solid Figuresfrom flat to fat
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Questions Answers
What makes figures 3D ?
They have length, width, and height.
How are solid figures classified?
Faces, edges, and vertices
How are solid figures named?
The shape of their polygon base
What are some examples of solid figures?
rectangular prism
cube
cone
cylinder
triangular pyramid
rectangular pyramid
triangular prism
sphere
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Questions Answers
What characteristics do these solid figures have?
Figure Faces Edges Vertices Base
cone
cylinder
rectangular prism
triangular prism
rectangular pyramid
triangular pyramid
cube
sphere
0
0
0
1
0
0
0
2
2
6
12
8
2
5
9
6
1
5
5
8
1
4
4
6
2
6
12
8
0
0
0
0
Which solid figures are NOT polyhedron?
Sphere, cone, and cylinder
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Geometric Solid Family Tree
Shaped like a ball
NOT shaped like a ball
Base is a polygon
SPHERE
Base is a circle
Rectangle
Top is a point
Triangle
Top is a triangle
Top is a point
Top is a rectangle
Top is a point
Top is a circle
CONE
TRIANGULAR PRISM
SQUARE PYRAMID
All edges are NOT equal
All edges are equal
CYLINDER
TRIANGULAR PYRAMID
CUBE
RECTANGULAR PRISM
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Real Life Solid Figures
Cone
Triangular Pyramid
cube
sphere
Pentagonal prism
Cylinders
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Exit Ticket

• Explain why solid figures with curved surfaces
  are not polyhedron.