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This article provides Flash files that will deliver a quiz made up of multiple choice and multiple answer questions that the instructor can create in a simple text file. No knowledge for Flash or programming required!

This interactive Geogebra applet allows students to experiment with 2 by 2 matrices and the corresponding geometric transformations of the real plane. A list of student activities is provided.

This module develop the SIR Model for the spread of an infectious disease, including the concepts of contact number and herd immunity.
A Biological ESTEEM module in the Phylogenetics Category. This worksheet simulates the molecular evolution of DNA sequences.

Table of Contents for Loci Volume 1, July 2008 through December 2009.

A module to explore Consumer Price Index data by fitting an exponential curve to it in Excel
The dihedral group D8 (sometimes called D4), the group of symmetries of the square, is one of the simplest finite groups. In these three mathlets, we will explore different aspects of this symmetry group to get a better understanding of its structure.
A mathlet that allows you to visualize a sequence (or series) of real functions.
A module to introduce students visually (in two dimensions) to iterative methods for solving systems of linear equations
This article highlights several new modules in the ESTEEM collection maintained by the BioQuest Curriculum Consortium.