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Unknown Type
Khan Academy

Khan Academy: Defining Transformations

For Students 9th - 10th Standards
Given a description of the effect of a transformation, determine which rigid transformation it is. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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Interactive
CK-12 Foundation

Ck 12: Isosceles Triangles

For Students 7th - 9th Standards
[Free Registration/Login Required] Students are given an Isosceles triangle and are asked to move the point on the line segment to explore how the angle measure changes. Click learn more to watch a video demonstration and click challenge...
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Activity
CK-12 Foundation

Ck 12: Quadrilateral Classification

For Students 9th - 10th
[Free Registration/Login Required] Students will move the vertices of the quadrilateral to form the congruent quadrilateral. Click learn more to watch a video and click challenge me to answer a practice question.
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Activity
CK-12 Foundation

Ck 12: Tessellations: Hexagon Tessellation

For Students 6th - 8th
[Free Registration/Login Required] Students determine whether a hexagon can tessellate or not. Click challenge me to answer practice questions and click learn more to watch a video.
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Activity
CK-12 Foundation

Ck 12: Tessellations: Tessellating Squares

For Students 6th - 8th
[Free Registration/Login Required] Students determine if squares can tessellate. Click challenge me to answer practice questions and click learn more to watch a video.
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Activity
CK-12 Foundation

Ck 12: Tessellations: Triangle Tessellation

For Students 6th - 8th
[Free Registration/Login Required] Students will explore tessellations and whether a polygon can tessellate. Click challenge me to answer practice questions and click learn more to watch a video.
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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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Unit Plan
Khan Academy

Khan Academy: Symmetry of 2 D Shapes

For Students 9th - 10th
Analyze various shapes according to their reflective and rotational symmetries. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unknown Type
Khan Academy

Khan Academy: Cross Sections of 3 D Objects (Basic)

For Students 7th Standards
Basic practice problems involving cross sections of 3D objects.
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Lesson Plan
University of Texas

Inside Mathematics: Quilt Making [Pdf]

For Teachers 3rd - 5th Standards
This task challenges a student to demonstrate understanding of the concept of two dimensional shapes and their properties.
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Lesson Plan
University of Texas

Inside Mathematics: Sorting Shapes [Pdf]

For Teachers 4th - 7th Standards
This task challenges a students knowledge of 2-dimensional geometrical shapes to sort shapes and to design a shape that has a given set of attributes.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Lesson: Pythagorean Theorem

For Teachers 9th - 10th Standards
Use triangles and worksheets to guide the learning of triangles to the discovery of the Pythagorean Theorem.
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Activity
Scholastic

Scholastic: Max's Math Adventures: Max's Fantastical Zoo

For Teachers 3rd - 5th
Use this rhyming description of Max's Fantastical Zoo to make some amazing animals from geometric shapes. There is a teacher's guide for easy lesson planning.
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Lesson Plan
University of Texas

Inside Mathematics: Don's Shapes [Pdf]

For Teachers 1st - 3rd Standards
This task challenges a student to demonstrate understanding of the attributes of two-dimensional shapes.
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Lesson Plan
University of Texas

Inside Mathematics: Which Shape [Pdf]

For Teachers 2nd - 4th Standards
This task challenges a student to use knowledge of geometrical attributes to identify and describe shapes.
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Lesson Plan
PBS

Pbs Mathline: Mirror, Mirror Lesson Plan [Pdf]

For Teachers 3rd - 8th
Determine which regular polygons tessellate by using mirrors. Printable lesson.

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