Discipline: Mathematics

Professional Commentary: With this NCTM E-Example, students manipulate a velocity vector to control the movement of a car to keep it from crashing into a wall. In this first of two activities, students understand that vectors are composed of both magnitude and direction, each of which can be manipulated in the game applet....

Discipline: Mathematics

Professional Commentary: This site is essentially a reference for the basic definitions and graphical interpretation of coordinate vectors, norm (or length) of a vector, vector addition, scalar multiplication, dot product, projection of a vector, and cross product of vectors. Some properties are illustrated and some examples are given....

Discipline: Mathematics

Professional Commentary: This site offers interactive explorations using Geometer's Sketchpad (a link to a free demo version is provided), as well as static pictures of vector models. Both are intended as supplementary material to help students in their first encounter with vectors....

Discipline: Mathematics

Professional Commentary: This applet features five 3-D diagrams, each of a line in coordinate space. Each diagram can be rotated to show the line in reference to all planes in an x-y-z system....

Discipline: Mathematics

Professional Commentary: This applet offers graphing in 3-dimensional space. A dynamic 3-D diagram shows the x, y, and z axes, which can be translated or rotated....