Nets Nets A net is a pattern that you cut out and fold to form a 3 - dimensional figure.
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Transcript of Nets Nets A net is a pattern that you cut out and fold to form a 3 - dimensional figure.
![Page 1: Nets Nets A net is a pattern that you cut out and fold to form a 3 - dimensional figure.](https://reader035.fdocuments.us/reader035/viewer/2022070305/5515a61855034691418b617e/html5/thumbnails/1.jpg)
NetsNets
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NetsNetsA net is a pattern that you cut out and fold to form a 3 - dimensional figure.
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Vocabulary TermsA cube is a prism with six congruent faces.
Face
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Vocabulary TermsAn edge is a segment where two faces meet.
Edge
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Vocabulary TermsA vertex is a point where two sides of a polyhedron meet or a point opposite the base of a cone.
Vertex
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How many nets do you think How many nets do you think you can come up with to you can come up with to form a cube?form a cube?
There are exactly eleven nets that will form a cube.
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Nets for Pyramids have one base and lots of triangles.
Sometimes they look like stars.
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Are Are these these nets nets lined lined
up with up with the right the right
3-D 3-D shape?shape?
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Are Are these these nets nets lined lined
up with up with the right the right
3-D 3-D shape?shape?
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What solid will this net form?Triangular Prism
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What solid will this net form?Square or Rectangular Prism
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What solid will this net form?Square or Rectangular Pyramid
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What solid will this net form?Triangular Pyramid
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End of Day 1End of Day 1
Cube ActivityCube Activity
STOP!!STOP!!
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Vocabulary TermsVocabulary Terms
Prism – a A cylinder with polygons for bases (faces). All prisms are special cases of cylinders.
FACE
FACE
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Vocabulary TermsVocabulary TermsIn a prism, these faces are called bases. You name a prism by the shape of its bases.
BASE
BASE
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Vertices
Edges
Faces
66
99
55The base has 33 sides.
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Vertices
Edges
Faces
8
1212
66
The base has 4 sides.
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Vertices
Edges
Faces
1010
1515
77
The base has 5 sides.
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Name Picture Base Vertices Edges Faces
Triangular Triangular PrismPrism
Rectangular Rectangular PrismPrism
Pentagonal Pentagonal PrismPrism
33 66 99 55
44 88 1212 66
55 1010 1515 77
Any PrismAny Prism nn 2n2n 3n3n n + 2n + 2
Make sure to fill in Make sure to fill in your chart your chart correctly!correctly!
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A pyramid is a cone with a polygon for a base. All faces joining the vertex are triangles. They are
named by the shape of the base.
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Vertices
Edges
Faces
44
66
44The base has 33 sides.
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Vertices
Edges
Faces
55
88
55
The base has 4 sides.
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Vertices
Edges
Faces
66
1010
66
The base has 5 sides.
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Name Picture Base Vertices Edges Faces
Triangular Triangular PyramidPyramid
Square Square PyramidPyramid
Pentagonal Pentagonal PyramidPyramid
33 44 66 44
44 55 88 55
55 66 1010 66
Any PyramidAny Pyramid nn n + 1n + 1 2n2n n + 1n + 1
Make sure to fill in Make sure to fill in your chart your chart correctly!correctly!
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End of Day 2End of Day 2
Prism & Pyramid ActivityPrism & Pyramid Activity
STOP!!STOP!!
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Special 3-D Special 3-D ShapesShapes
Cylinder Sphere
Cone
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SphereSphereEvery point on the surface of the sphere is the same distance from the center
The normal definitions of faces, edges and vertices are not appropriate for a sphere.
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ConConee The vertex of the
cone is opposite the circular base of a cone.
The cone has a face, a vertex, and an edge (formed by the base and the lateral face).
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CylinderCylinderA prism with two congruent, parallel faces called bases.
A cylinder has 2 faces (circular bases), edges and no vertices.
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End of Day 3End of Day 3
Cone & Cylinder ActivityCone & Cylinder Activity
STOP!!STOP!!