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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Possible Triangles With Side Side Angle

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Determine the number of solutions for triangles where two sides and a non-included angle are known
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Applications of the Pythagorean Theorem

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students use the Pythagorean Theorem to find perimeter and area. Students examine guided notes, review guided practice, watch instructional videos and...
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Unit Plan
CK-12 Foundation

Ck 12: Triangle Sum Theorem

For Students 6th - 9th
[Free Registration/Login Required] Students explore the concept of the triangle sum theorem by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more...
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Unit Plan
CK-12 Foundation

Ck 12: Angle Measures

For Students 9th - 10th
[Free Registration/Login Required] Students explore the concept of finding triangle angle measurement by navigating through the interactive learning module and then answering questions that go along with the module. Students can also...
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Unit Plan
CK-12 Foundation

Ck 12: Congruent Triangles

For Students 5th - 9th Standards
[Free Registration/Login Required] Students explore the concept of congruent triangles by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about...
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Unit Plan
CK-12 Foundation

Ck 12: Comparing Angles and Sides in Triangles

For Students 6th - 9th Standards
[Free Registration/Login Required] Students explore angles and sides in triangles by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the...
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Interactive
CK-12 Foundation

Ck 12: Triangle Classification

For Students 7th - 9th Standards
[Free Registration/Login Required] Students will move the vertices to different points to determine the amount of triangles that can be made. Click learn more to watch a video and click challenge me to answer practice questions.
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Interactive
CK-12 Foundation

Ck 12: Midsegment Theorem

For Students 7th - 9th
[Free Registration/Login Required] Students will explore the midsegment theorem with the interactive triangle. Click learn more to watch a video and click challenge me to answer a practice question.
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Interactive
CK-12 Foundation

Ck 12: Perpendicular Bisectors

For Students 9th - 10th Standards
[Free Registration/Login Required] Students will move point N to the other points to determine when the line bisects the triangle perpendicularly. Click learn more to watch a video and click challenge me to answer practice questions.
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Interactive
CK-12 Foundation

Ck 12: Medians Centroid

For Students 9th - 10th
[Free Registration/Login Required] Students will move point E to the other points to determine the median centroid. Click learn more to watch a video and click challenge me to answer a practice question.
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Interactive
CK-12 Foundation

Ck 12: Median Centroid

For Students 9th - 10th
[Free Registration/Login Required] Students will use an interactive triangle to explore how the vertices effect the centroid of the triangle. Click learn more to watch a video and click challenge me to answer a practice question.
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Interactive
CK-12 Foundation

Ck 12: Altitudes: Orthocenter

For Students 9th - 10th
[Free Registration/Login Required] Students will use the interactive riangle and points to explore altitudes such as the orthocenter. 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: Pythagorean Theorem and Pythagorean Triple

For Students 9th - 10th Standards
[Free Registration/Login Required] Students will determine the number of pixels a phone has on the screen by using the pythagorean theorem and pythaogrean triple. Click learn more to watch a video and click challenge me to answer a...
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Activity
CK-12 Foundation

Ck 12: Swimming Pools

For Students 9th - 10th
[Free Registration/Login Required] Students use knowledge of pythagorean theorem and pythagorean triple to determine the size and compare the size of the new pool to the old pools. Click learn more to watch a video and click challenge me...
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Applications of the Pythagorean Theorem

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to several applications of the Pythagorean Theorem. Students examine guided notes, review guided practice, watch instructional...
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Triangle Classification by Side Lengths

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Classify different types of triangles by their side lengths.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] Students practice classifying various two dimensional shapes as rectangles, squares, circles or triangles.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying All Types of Triangles by Lengths of Sides

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on classifying triangles based on length of sides.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on classifying rectangles, squares, circles and triangles.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying Triangles by Identifying the Number of Equal Sides

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on classifying triangles based on the number of equal sides.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining the Length of an Unknown Side of a Triangle

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video tutorial and attempt practice problems on how to determine the unknown side length of a triangle.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining the Unknown Angle in an Isosceles Triangle

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on finding the missing angle in an isosceles triangle.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining the Unknown Angle in a Right Triangle

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on finding a missing angle in a right triangle.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining the Unknown Angle in a Triangle

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to determine a missing angle in a triangle.