MERLOT Materials

A very good implementation of the classic Towers of Hanoi problem. Teaches recursive functions and stacks as well as... see more

TrackStar is an on-line interface that helps instructors organize and annotate Web sites (URLs) into lessons. The list of... see more

In this game developed for Unicef, players guide a Haitian family of five through their struggle to survive with limited... see more

Java software for drawing 2D chemical structures and interface to chemistry database.

Java software for displaying 3D chemistry. Since OpenSource excellent for extension in programming classes.

LogicSim provides a virtual "breadboard" where you can design and simulate digital logic circuits with logic gates like... see more

Test the pH of things like coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Visualize the... see more

An excellent online tutorial on Linux basics

Using this tool, you can write Python, Java, JavaScript, TypeScript, Ruby, C, and C++ programs in your Web browser and... see more

Build your own polygon and transform it in the Cartesian coordinate system. Experiment with reflections across any line,... see more

Practice your knowledge of acute, obtuse, and alternate angles. Also, practice relationships between angles - vertical,... see more

Applets for Neural Networks and Artificial Life

Create your own affine cipher for encoding and decoding messages. Input your own constant and multiplier, then input a... see more

Using toothpicks, straws, or tubes of rolled up newspaper, learners create 3-dimensional models to illustrate the basic... see more

Manipulate different types of conic section equations on a coordinate plane using slider bars. Learn how each constant... see more

Explore cross sections of different geometric solids: cone, double cone, cylinder, pyramid, and prism. Manipulate the... see more

Visually represent two unique fractions that are equivalent to a given fraction. The fractional value is shown on a... see more

The goal of this site is to visualize the mathematical structure behind M.C. Escher's picture called "Print Gallery"... see more

Learn about estimation through modeling of a forest fire. This activity allows the user to burn a virtual forest, then... see more

Determine the value of two given fractions represented as points on a number line. Then find a fraction whose value is... see more

Students investigate linear functions by trying to guess the slope and intercept from inputs and outputs. Linear Function... see more

Students create linear inequalities and systems of linear inequalities on a coordinate plane. This is like a graphing... see more

Investigate the Cartesian coordinate system by directing a robot through a mine field laid out on the plane. Maze Game is... see more

Recognize patterns in a series of shapes, numbers, or letters. After determining the pattern, the student fills in the... see more