PPT
Sophia Learning

Sophia: Coordinate Geometry of Parallelograms: Lesson 4

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 parallelogram in a coordinate plane. It is 4 of 6 in the series titled "Coordinate...
PPT
Sophia Learning

Sophia: Coordinate Geometry of Trapezoids: Lesson 3

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 trapezoid in a coordinate plane. It is 3 of 4 in the series titled "Coordinate...
PPT
Sophia Learning

Sophia: Coordinate Geometry of Rhombi

For Students 9th - 10th
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 rhombus in a coordinate plane.
PPT
Sophia Learning

Sophia: Coordinate Geometry of Isosceles Trapezoids: Lesson 3

For Students 9th - 10th
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is an isosceles trapezoid in a coordinate plane. It is 3 of 5 in the series titled...
PPT
Sophia Learning

Sophia: Coordinate Geometry of Parallelograms: 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 parallelogram in a coordinate plane. It is 1 of 6 in the series titled "Coordinate...
PPT
Sophia Learning

Sophia: Coordinate Geometry of Rectangles: Lesson 4

For Students 9th - 10th
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 rectangle in a coordinate plane. It is 4 of 5 in the series titled "Coordinate...
PPT
Sophia Learning

Sophia: Coordinate Geometry of Squares: Lesson 2

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, if the shape is a square in a coordinate plane. It is 2 of 2 in the series titled...
Graphic
Curated OER

Planes

For Students Pre-K - 1st
geometry
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Curated OER

Planes

For Students Pre-K - 1st
geometry
Graphic
Math2

Math2: Circles

For Students 9th - 10th Standards
This site has many useful formulas and examples relating to circles, including related definitions, circumference of a circle, area of a circle, length of a circular arc, area of a circular sector, equation of a circle in cartesian...
Graphic
University of Cambridge

University of Cambridge: Nrich: Transformation Tease

For Students 3rd - 8th Standards
Follow the directions at this one page website. You will get lots of practice plotting points on the coordinate grid and experience with transformational geometry.
PPT
Sophia Learning

Sophia: Translations of Geometric Figures: Lesson 3

For Students 9th - 10th
This lesson will present how to translate a geometric figure on a coordinate plane, and will discuss how the properties of the figure are affected. It is 3 of 5 in the series titled "Translations of Geometric Figures."
Graphic
Oswego City School District

Regents Exam Prep Center: Length of a Line Segment (Distance)

For Students 9th - 10th Standards
Use the coordinate plane and Pythagorean theorem to determine the length of a line segment. Click on the "Topic Index" to find a related practice exercise and teacher resource.
Graphic
University of Georgia

University of Georgia: Inter Math: Transformation

For Students 9th - 10th Standards
This site defines transformation and lists several different examples of transformations. Be sure to follow the links to related terms, everyday examples, challenging problems, more information, and the interactive check point involving...
Graphic
Curated OER

Circle Picture

For Students 9th - 10th
This site provides definitions for different parts of a circle, pictures to more clearly represent formulas involving circles. Some of the formulas discussed include: area of a circle, area of a sector of a cirles, circumference, length...
Graphic
Interactive Mathematics

Interactive Mathematics: The Ellipse

For Students 9th - 10th
This excellent lesson offers a thorough definition, description, and then step-by-step analysis of ellipses. Includes a focus upon the vertical and horizontal, major and minor axes, transllations of ellipses and more.

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