3-dimensional figures. prisms – two parallel bases – named after the shape of its base – all...

3-Dimensional Figures

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3-Dimensional Figures

http://images.google.com/imgres?imgurl=http://www.pollypig.com/Images/Spheres/Yellow_solid_sphere.png&imgrefurl=http://www.pollypig.com/pages/Spheres/Sphere%2520Pigs.htm&usg=__3SoBa07kvA7GXqadJj0wWY7MTCw=&h=470&w=469&sz=170&hl=en&start=3&tbnid=2zNpr3jj6-IgnM:&tbnh=129&tbnw=129&prev=/images%3Fq%3Dsphere%26gbv%3D2%26hl%3Den

3-Dimensional Figures

• Prisms– Two parallel bases– Named after the

shape of its base– All other faces are

rectangles

Rectangular Prism

Triangular Prism

Hexagonal Prism

Page 3: 3-Dimensional Figures. Prisms – Two parallel bases – Named after the shape of its base – All other faces are rectangles Rectangular Prism Triangular Prism

3-D figures

• Pyramids– One base– Named after its base– All other faces are triangles

Rectangular Pyramid

Triangular Pyramid

Pentagonal Pyramid

Page 4: 3-Dimensional Figures. Prisms – Two parallel bases – Named after the shape of its base – All other faces are rectangles Rectangular Prism Triangular Prism

3-D Figures• Cylinder– Two circle bases– Rectangle

wrapped around the circles

Page 5: 3-Dimensional Figures. Prisms – Two parallel bases – Named after the shape of its base – All other faces are rectangles Rectangular Prism Triangular Prism

Practice

• What is this figure’s name?• How many – Faces?– Vertices?– Edges?

http://images.google.com/imgres?imgurl=http://members.westnet.com.au/molinasantos/strands/space/threedsolids/assets/images/pentagonalprism.gif&imgrefurl=http://members.westnet.com.au/molinasantos/strands/space/threedsolids/html/pentagonal_prism.html&usg=__ECj1n096ZKKAvjQGeMml9GBFJlc=&h=278&w=215&sz=4&hl=en&start=22&tbnid=IHEEU3YpL-h84M:&tbnh=114&tbnw=88&prev=/images%3Fq%3Dpentagonal%2Bprism%26gbv%3D2%26ndsp%3D20%26hl%3Den%26sa%3DN%26start%3D20

Page 6: 3-Dimensional Figures. Prisms – Two parallel bases – Named after the shape of its base – All other faces are rectangles Rectangular Prism Triangular Prism

Practice

• What is this figure’s name?• How many – Faces?– Vertices?– Edges?

http://images.google.com/imgres?imgurl=http://www.asd4.org/curriculum/math/Math_ISAT_Word_Definitions_K-8_files/image104.jpg&imgrefurl=http://www.asd4.org/curriculum/math/Math_ISAT_Word_Definitions_K-8.htm&usg=__HR-nqOfZuQv8gZirsSNQDCJ7Ojo=&h=83&w=97&sz=2&hl=en&start=6&tbnid=nVsqI6zYkJyKPM:&tbnh=69&tbnw=81&prev=/images%3Fq%3Drectangular%2Bpyramid%26gbv%3D2%26hl%3Den

Page 7: 3-Dimensional Figures. Prisms – Two parallel bases – Named after the shape of its base – All other faces are rectangles Rectangular Prism Triangular Prism

Practice

• What is this figure’s name?• How many – Faces?– Vertices?– Edges?

http://images.google.com/imgres?imgurl=http://hsc.csu.edu.au/maths/images/mc_images/M2Q3.gif&imgrefurl=http://www.hsc.csu.edu.au/maths/general/pre/measurement/m2/m2_mc/M2_questions.html&usg=__JZGU5aT-CTxIpPEK4dFXXR-UsQU=&h=107&w=200&sz=2&hl=en&start=16&tbnid=L7_f2bHrzv6OcM:&tbnh=56&tbnw=104&prev=/images%3Fq%3DOctagonal%2Bprism%26gbv%3D2%26hl%3Den

Page 8: 3-Dimensional Figures. Prisms – Two parallel bases – Named after the shape of its base – All other faces are rectangles Rectangular Prism Triangular Prism

Last one…

• What is this figure’s name?• How many – Faces?– Vertices?– Edges?

http://images.google.com/imgres?imgurl=http://www.icoachmath.com/Sitemap/images/Hexagonal%2520Pyramid3.gif&imgrefurl=http://www.icoachmath.com/Sitemap/HexagonalPyramid.html&usg=__IzrfCSbzoQFRaCYCRdO4akM7btM=&h=119&w=120&sz=5&hl=en&start=5&tbnid=RGyXwIr42piCzM:&tbnh=87&tbnw=88&prev=/images%3Fq%3Dhexagonal%2Bpyramid%26gbv%3D2%26hl%3Den

Page 9: 3-Dimensional Figures. Prisms – Two parallel bases – Named after the shape of its base – All other faces are rectangles Rectangular Prism Triangular Prism

Come up with a rule…

• For PRISMS:–How many faces, edges, and

vertices it will have– Faces: two plus the number of sides on the base– Vertices: two times the number of sides of the

base– Edges: three times the number of sides of the

base

Draw Me …

• A prism with 15 edges…

Page 11: 3-Dimensional Figures. Prisms – Two parallel bases – Named after the shape of its base – All other faces are rectangles Rectangular Prism Triangular Prism

Draw me…

• A prism with 8 vertices…

Page 12: 3-Dimensional Figures. Prisms – Two parallel bases – Named after the shape of its base – All other faces are rectangles Rectangular Prism Triangular Prism

Draw me…

• A prism with 12 faces…

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