Lessons and Tools for Teachers

#### Lessons for Polyhedrons

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• Investigating Nets and Polyhedra - … Objectives Students will: * create a net for a given polyhedron * determine the corresponding polyhedron for a given net. Grouping for Instruction * * Whole … an object qualifies as a polyhedron. Allow other students to question whether an object is a polyhedron. 4. Say: "Consider objects in … . Can you predict what the resulting polyhedron will look like? Describe or sketch the polyhedron you predict will result next to the …
User Rating: Grade Level: 3-5
• They'Re Everywhere! They'Re Everywhere! - … , which is called a polyhedron. A polyhedron is a three dimensional shape made of polygons. Have students build polyhedrons with their toothpick polygons … of their polyhedron. Have the groups exchange the descriptions. Each group will now try to build another group's polyhedron. Ask the … students if every group built the same polyhedron. (no) Ask students how many possible polyhedrons there are in the world. (too many …
User Rating: Grade Level: 6-8
• 3-D Figures: Vertices, Faces, Edges - … and observing the students. TTW use polyhedrons already constructed to name each part of all the polyhedrons: the flat surfaces are called … edges on their polyhedron they have constructed and record answers in the chart. Polyhedron Name Tetrahedron (pyramid) (cube) Polyhedron Chart Faces Vertices Edges … polyhedra in the polyhedron chart. TTW have the whole class use the formula with the other four polyhedrons in the polyhedron chart. TTW …
User Rating: Grade Level: 6-8
• How Many Regular Polyhedrons Are There In This or Any Universe? - … it!) Regular Polyhedrons A polyhedron is a "solid" three-dimensional figure analogous to the two- dimensional polygon discussed above. Polyhedrons have vertices, edges, and faces which to Euclid had dimensions of zero, one, and two respectively. If a polyhedron has … of Mathematics." Princeton NJ: Princeton University Press, 1970. Wenninger, Magnus, "Polyhedron Models". London: Cambridge University Press, 1971. (end of bibliography section …
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• Shape Up - … constructing polyhedrons. The students will observe their surroundings to identify these geometric shapes and relate them to the building of polyhedron structures … and polyhedrons. â¢ Identify polygons alone and in structures. â¢ Create structures using polygons. â¢ Predict and record data concerning the strength of polyhedrons. â¢ Use … is her holding the polyhedron. ASK, âCan anyone tell me the name of the structure?â Allow responses. (Polyhedron) SAY, âLetâs watch …
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• Where Is Polly Gone? - … shape. Materials For teacher: preconstructed figure made of polygons and polyhedrons taped together to resemble a scarecrow 2. Tell students to … home and find polyhedrons and polygons. I want you to write down where you see these polygons and polyhedrons and what they … polyhedrons. Math/Art: Provide students with various materials (straws, construction paper, geoboards and colorful string) to create their own polygons and polyhedrons
User Rating: Grade Level: 3-8
• Space Tiling with Captain Planet - … octahedron (4) the icosahedron? (5) Can we make a regular polyhedron, which has six or more equilateral triangles meeting at each … faces meeting at any one vertex to form a regular polyhedron. Equilateral triangle Square Pentagon Hexagon 3 faces (YES) 3 faces … . Imagine the planes that pass through one edge of the polyhedron and this interior center point. How many different planes pass … tessellations in his drawings. At home they are to make polyhedron using margarine lids and masking tape or electrical tape. Ice …
User Rating: Grade Level: 3-8
• Geo Jammin' - Day 4, Lesson 14: Give It a Whirl - … of the spin. Spin horizontally and vertically. 7. Explore each polyhedron with students as explained above. Ask higher-order thinking questions … with their pinwheels. (Optional) 21. Set up learning centers with polyhedron patterns for students to make their own three-dimensional shapes … to similarities and differences they notice using rotating three-dimensional polyhedrons. Students are formatively assessed on their understanding of mathematical terms …
User Rating: Grade Level: K-2
• Toothpicks, Gumdrops, and Polyhedrons - … mats - Toothpicks and Gumdrops worksheet Preparations 1. Gather models of polyhedrons. 2. Make a large paper net of a prism and … understand how the net folds' into the polyhedron. Fold the paper net into the polyhedron. 5. Explain that the students will work in pairs and make a model of various polyhedrons and record … model as an example. Ask students what part of the polyhedron do the gumdrops represent? The vertices. What do the toothpicks …
User Rating: Grade Level: 6-8
• An Alternative to the "What I Did on Summer Vacation - What I Can Do on Summer Vacation." - … . This will form the polyhedron. Attach string or ribbon to polyhedron. III. Follow-up A. B. The polyhedrons may be displayed throughout the room. Tear apart one of the polyhedrons or … , life cycle, etc. 5-45 Student/Teacher Sheet Instructions for Polyhedron Use lightweight poster board or heavy construction paper. 1. 2 …
User Rating: Grade Level: 9-12
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