A ten question test for assessing measurement concepts of area and perimeter. Assessment is scored online and student scores are compared with other students who have taken the assessment. Great assessment tool.

Students complete activities using GeoGebra to explore geometry concepts such as the coordinates of points.

[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.

[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.

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...

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...

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.

Three resources for teaching slopes and equations of lines: a lesson with a formula for finding slope, different equations for lines, and several examples; a fourteen-question quiz covering slope, perpendicular and parallel lines, and...

A complete reference guide to horizontal lines. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

A complete reference guide to points. It provides definitions and an interactive activity that enhances further explanation. Includes links to related topics.

An introduction to the Konigsberg Bridge problem and its relationship to network theory.

Plot a given point on the coordinate plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this set of questions, students practice using an interactive tool to reflect images on a Cartesian grid. Includes hints.

Find the midpoint of a segment on the coordinate plane, or find the endpoint of a segment given one point and the midpoint. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...

A seven-question quiz in which you'll answer questions about distance. You'll need to know how to find distance between points on a coordinate plane.

Given a figure on the coordinate plane and the definition of a rotation about the origin, draw the image of that rotation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...

In this exercise, students practice graphing points. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Identify points in the first quadrant of a coordinate plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Given a figure and a definition of a translation, draw the image. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Find the reflection that maps a given figure to another and draw the image of a reflection. The lines of reflection in this exercise have a wide range of slopes. Students receive immediate feedback and have the opportunity to try...

Given a description of a sequence of transformations, determine whether it preserves segment length or angle measure. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Presents biographical information about Rene Descartes (1596-1650), his career, personal life, written works, and his legacy. Covers contributions to philosophy, mathematics, and science.

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...

Use the interactive transformation tool to perform translations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.