Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Square: Lesson 1

For Students 9th - 10th Standards
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a square in a coordinate plane. It is 1 of 3 in the series titled "Coordinate Geometry...
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Trapezoids: Lesson 2

For Students 9th - 10th Standards
This lesson [7:20] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices, if a quadrilateral is a trapezoid in a coordinate plane. It is 2 of 4 in the series titled...
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Trapezoids: Lesson 4

For Students 9th - 10th Standards
This lesson [15:33] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices of a quadrilateral, if the shape is a trapezoid. It is 4 of 4 in the series titled "Coordinate...
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Trapezoids: Lesson 1

For Students 9th - 10th Standards
This lesson [5:14] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices, if a quadrilateral is a trapezoid in a coordinate plane. It is 1 of 4 in the series titled...
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Rectangles: Lesson 1

For Students 9th - 10th Standards
This lesson [8:39] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rectangle in a coordinate plane. It is 1 of 5 in the series titled...
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Rhombii: Lesson 1

For Students 9th - 10th Standards
This lesson [8:08] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rhombus in a coordinate plane. It is 1 of 4 in the series titled "Coordinate...
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Rhombii: Lesson 2

For Students 9th - 10th Standards
This lesson [8:20] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rhombus in a coordinate plane. It is 2 of 4 in the series titled "Coordinate...
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Parallelograms: Lesson 6

For Students 9th - 10th
This lesson [7:55] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a parallelogram in a coordinate plane. It is 6 of 6 in the series titled...
Instructional Video
Sophia Learning

Sophia: Geometry: Measurement of Angles in Radians: Lesson 3

For Students 9th - 10th Standards
During this lesson, you'll find out how radians are related to angles, how to note radians, and what certain radians stand for. It is 3 of 5 in the series titled "Measurement of Angles in Radians." [2:10]
Instructional Video
Sophia Learning

Sophia: Geometry: Measurement of Angles in Radians: Lesson 4

For Students 9th - 10th Standards
During this lesson, you'll find out how radians are related to angles, how to note radians, and what certain radians stand for. It is 4 of 5 in the series titled "Measurement of Angles in Radians." [3:19]
Instructional Video
Sophia Learning

Sophia: Geometry: Measurement of Angles in Radians: Lesson 1

For Students 9th - 10th Standards
During this lesson, you'll find out how radians are related to angles, how to note radians, and what certain radians stand for. It is 1 of 5 in the series titled "Measurement of Angles in Radians." [3:05]
Instructional Video
Sophia Learning

Sophia: Corresponding Parts: Lesson 1

For Students 9th - 10th Standards
This lesson [2:00] will define the phrase corresponding parts (e.g. angles, sides, etc.). It is 1 of 5 in the series titled "Corresponding Parts."
Instructional Video
Sophia Learning

Sophia: Counterexamples: Lesson 2

For Students 9th - 10th
This lesson will help a learner understand counterexamples. It is 2 of 7 in the series titled "Counterexamples." [1:43]
Instructional Video
Sophia Learning

Sophia: Counterexamples: Lesson 4

For Students 9th - 10th
This lesson will help a learner understand counterexamples. It is 4 of 7 in the series titled "Counterexamples." [3:05]
Instructional Video
Sophia Learning

Sophia: Counterexamples: Lesson 6

For Students 9th - 10th
This lesson will help a learner understand counterexamples. It is 6 of 7 in the series titled "Counterexamples." [1:54]
Instructional Video
Sophia Learning

Sophia: Vsepr: Tetrahedral Molecules: Lesson 1

For Students 9th - 10th
This lesson will explore tetrahedral shaped molecules. It is 1 of 2 in the series titled "VSEPR: Tetrahedral Molecules."
Instructional Video
Sophia Learning

Sophia: Vsepr: Trigonal Planar Molecules: Lesson 2

For Students 9th - 10th
This lesson will explore trigonal planar molecules. It is 2 of 2 in the series titled "VSEPR: Trigonal Planar Molecules."
Instructional Video
Sophia Learning

Sophia: Vsepr: Trigonal Planar Molecules: Lesson 1

For Students 9th - 10th
This lesson will explore trigonal planar molecules. It is 1 of 2 in the series titled "VSEPR: Trigonal Planar Molecules."
Instructional Video
Sophia Learning

Sophia: Converse of the Pythagorean Theorem: Lesson 5

For Students 9th - 10th Standards
This lesson will demonstrate how to use the converse of the Pythagorean Theorem to determine if three side lengths of a triangle form a right triangle. It is 5 of 5 in the series titled "Converse of the Pythagorean Theorem." [8:28]
Instructional Video
Sophia Learning

Sophia: Vsepr: Tetrahedral Molecules: Lesson 2

For Students 9th - 10th
This lesson will explore tetrahedral shaped molecules. It is 2 of 2 in the series titled "VSEPR: Tetrahedral Molecules."
Instructional Video
Sophia Learning

Sophia: Vsepr: Trigonal Pyramidal Molecules: Lesson 2

For Students 9th - 10th
This lesson will explore trigonal pyramidal shaped molecules. It is 2 of 2 in the series titled "VSEPR: Trigonal Pyramidal Molecules."
Instructional Video
Massachusetts Institute of Technology

Mit: Blossoms: Fabulous Fractals and Difference Equations

For Teachers 9th - 10th
Former MIT student introduces the classroom to fractal geometry via a video presentation appropriate for students who have had two years of high school algebra. Video lesson content includes the "chaos game" and trajectory calculations...
Instructional Video
Massachusetts Institute of Technology

Mit: Blossoms: Fabulous Fractals and Difference Equations

For Students 9th - 10th
This learning video introduces students to the world of Fractal Geometry through the use of difference equations. [32:31]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Determine if a Triangle Is a Right Triangle

For Students 7th - 9th Standards
In this video lesson a students learns how to determine if a triangle is a right triangle by using the Pythagorean Theorem.

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