Sophia Learning
Sophia: Coordinate Geometry of Squares: Lesson 2
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...
University of Regina (Canada)
University of Regina: Math Central: Introduction to Slope for Middle Years Mathematics
This collection of five middle school math lessons covers the topic of plane geometry, specifically the concept of slope. The first lesson introduces students to plotting points on a Cartesian grid using a Geoboard. Lesson two moves them...
Maths Challenge
Maths challenge.net: Triangle Area
Find the area of this triangle in a coordinate plane.
Khan Academy
Khan Academy: Practice: Rotate Points
In this set of questions, students use an interactive tool to rotate objects on a Cartesian grid. Help is available through hints and videos.
CK-12 Foundation
Ck 12: Geometry: Types of Transformations Study Guide
[Free Registration/Login may be required to access all resource tools.] Transformations move and modify geometric shapes. There are several types of transformations that all transform figures in different ways. These transformations can...
CK-12 Foundation
Ck 12: Geometry: Properties of a Circle Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide reviews the terminology for circles (tangent, arcs, central angles) and the equation for a circle.
CK-12 Foundation
Ck 12: Interactive Geometry: 1.1 the Three Dimensions
In order to better understand why your world is three dimensional, consider zero, one and two dimensions.
ClassFlow
Class Flow: Graph of an Equation
[Free Registration/Login Required] In 1637, Rene Descartes revolutionized the study of mathematics by joining its two major fields, algebra and geometry. With Descartes's coordinate plane, geometric concepts could be formulated...
Math Open Reference
Math Open Reference: Plane
Learn about planes with this useful reference guide. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
Math Slice
Math Slice: Hide and Seek
Play hide and seek with Lion King character Timon in this interactive game where learners practice finding coordinates using ordered pairs. The game is personalized and high scores are posted.
Khan Academy
Khan Academy: Practice: Rotate Points
In this exercise, students practice performing rotations on a coodinate plane. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
CK-12 Foundation
Ck 12: Distance Formula
[Free Registration/Login Required] Students explore the concept of the distance formula by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about...
Illustrative Mathematics
Illustrative Mathematics: G Gpe, F Tf Coordinates of Points on a Circle
For this task, young scholars are shown a unit circle in a plane and an angle measured from the x-axis. They must determine the coordinates of the line segment for the angle and answer a question about the sum of the coordinates. The...
Khan Academy
Khan Academy: Distance Between Points in First Quadrant
Graph and find the distance between point in first quadrant of coordinate plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Calculator Soup
Calculator Soup: Two Dimensional Distance Calculator
Use this calculator to calculate the distance between 2 points by entering 2 sets of coordinates in the 3-dimensional Cartesian coordinate system, (X1, Y1, Z1) and (X2, Y2, Z2), to get the distance formula calculation for the 2 points...
Calculator Soup
Calculator Soup: Three Dimensional Distance Calculator
Use this calculator to calculate the distance between 2 points by entering 2 sets of coordinates in the 3-dimensional Cartesian coordinate system, (X1, Y1, Z1) and (X2, Y2, Z2), to get the distance formula calculation for the 2 points...
Oswego City School District
Regents Exam Prep Center: Shuffling Cards to Practice Transformations
This Regents Prep site offers an interesting classroom lesson plan for transformations on a coordinate plane using flash cards.
Oswego City School District
Regents Exam Prep Center: Length of a Line Segment (Distance)
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.
Mathigon
Mathigon: Geometry: Circle and Pi: Degrees and Radians
Rather than dividing a circle into some number of segments (like 360 degrees), mathematicians often prefer to measure angles using the circumference of a unit circle - a circle with radius 1. This way of measuring angles is called...
CK-12 Foundation
Ck 12: Circles in the Coordinate Plane
[Free Registration/Login Required] Students will move points on a circle to explore standard equations when given the radius and center. Click challenge me to answer practice problems and click learn more to watch a video.
CK-12 Foundation
Ck 12: Circles in the Coordinate Plane: Watering the Field
[Free Registration/Login Required] Students can move points in a circle to determine the standard equation from the raidus and center. Click challenge me to answer practice questions and click learn more to watch a video.
PBS
Pbs Learning Media: Finding the Intersection
In this Cyberchase video, Inez and Digit identify the location of the transformatron using their knowledge of parallel and intersecting lines.
National Council of Teachers of Mathematics
Nctm: Figure This: Math Challenges for Families
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
That Quiz
That Quiz: Practice Test: Graph Points
This resource allows users to test their knowledge about graph points.