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Unit Plan
PBS

Pbs: Geometry and Classification of 2 D Figures: Bianca Busts a Move

For Students 3rd - 5th
In this video from Cyberchase, Bianca breaks her friend's tabletop when she's practicing dance moves in his living room. She uses measurement and geometry to get a new piece of wood that will fit the table exactly. The accompanying...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting the Number of Different 2 D Shapes in a Set of Figures

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video defines a triangle by the number of sides and then determines which of the figures in the diagram are triangles. The video is followed by additional...
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Activity
University of Cambridge

University of Cambridge: Maths and Sports: National Flags

For Students K - 1st
During the Olympic and Paralympic Games many national flags will be on display. This activity explores 2D shapes, angles and symmetries in the context of flag designs, and is designed to be accessible to primary pupils at Key Stage 2.
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Website
University of Regina (Canada)

University of Regina: Math Central: Lesson: Mr. Z's 5 Minute Game of Geometric Pandemonium

For Teachers 3rd - 5th Standards
Students make a series of geometric drawings of points, obtuse angles, rays, polygons, and the like. Each child is given one but not allowed to show anyone else. The drawing is then taped to the back of the child in front of them. The...
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Activity
Other

Bright Hub Education: Two Dimensional Art Activities

For Teachers Pre-K - K
You don't have to be a trained artist to create beautiful two and three-dimensional art projects with your preschoolers. Many simple activities, such as painting and coloring, can be modified to include sensory elements to increase...
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Whiteboard
ClassFlow

Class Flow: Solid and Plane Figures

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] Students will learn the 6 solid figures and characteristics, including face, edge, and vertices. Students will learn the plane figures when looking at the solid figures. Students will then take a 10...
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Whiteboard
ClassFlow

Class Flow: Geometry Plane Figures

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] The teacher will use this lesson plan flipchart to review geometry plane figures.
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eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 1.11 Surface Area and Nets

For Students 9th - 10th Standards
Explore surface areas and nets with 2D and 3D shapes.
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Interactive
PBS

Pbs Learning Media: Peg + Cat: Online Math Games: Collection

For Students Pre-K - K
This is a Peg + Cat collection of 16 online math games. These include counting, numbers, 2D and 3D shapes, patterns, location, maps, and more.
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Handout
Science Struck

Science Struck: A Comprehensive Printable List of Geometry Formulas

For Students 9th - 10th Standards
Provides a list of area and perimeter formulas for two-dimensional shapes and volume and surface area formulas for three-dimensional solids.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying Polygons and Ellipses

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to look at images and identify ellipses and different types of polygons. Includes video demonstrating a sample problem...
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: Riksjas, Toek Toek: 2 D Space: Symmetry

For Students 4th Standards
Students will play interactive games and explore symmetry.
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: World of Fish: Space

For Students 4th - 6th
Join Otto at the Phantasia construction site. Will you help him build a new playground?
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.g Circle Sandwich

For Teachers 8th Standards
Eighth graders are presented with a drawing of a large square inscribed by a circle which is itself inscribed by a second square. They are asked to find the area of the circle outside the smaller square and compare it to the area of the...
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Handout
National Council of Teachers of Mathematics

The Math Forum: Defining Geometric Figures

For Students 5th - 8th Standards
This site provides an in-depth definition of a two-dimensional figure and a three-dimensional figure. Related terms include arcs, vertices, polygon, and many more.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.g Eight Circles

For Teachers 7th
In this lesson plan, 7th graders use their knowledge of formulas to determine the area and circumference of a circle.
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Unit Plan
Khan Academy

Khan Academy: Interpreting Scale Drawings

For Students 6th - 8th Standards
Students practice interpreting scale models, receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Inscribed Angles in Circles

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Apply inscribed angle theorems.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Segments From Secants and Tangents

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to solve for missing segments created by a tangent line and a secant line intersecting outside a circle.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Extend Numerical Patterns

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Extend numerical patterns by identifying and following rules
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Study Guide
Oswego City School District

Regents Exam Prep Center: Area of Polygons and Circles

For Teachers 3rd - 6th Standards
How would you find the area of a polygon or circle? Explore this concept with engaging activities at this test prep site. Here you will find detailed problem solving strategies with accompanying visuals, a reference table with formulas,...
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Segments From Secants

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Apply the Two Secants Segments Theorem.
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Handout
Quia

Ixl Learning: Area of Rhombuses

For Students 6th - 7th Standards
Brush up on your math skills relating to the area of rhombuses then try some practice problems to test your understanding.
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Handout
Quia

Ixl Learning: Area of Triangles

For Students 6th - 7th Standards
Brush up on your math skills relating to the area of triangles then try some practice problems to test your understanding.

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