Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Curve Fitting

For Students 9th - 10th Standards
Drag data points and their error bars, and watch the best-fit polynomial curve update instantly. Choose the type of fit: linear, quadratic, cubic, or quartic. The reduced chi-square statistic shows when the fit is good.
Handout
Wolfram Research

Wolfram Math World: Probability and Statistics

For Students 9th - 10th Standards
This is a resource for many topics in probability and statistics. Click on the topic of your choice for an explanation. The sites you will be linked to are quite extensive. A degree of higher-level math is necessary for understanding...
Lesson Plan
McREL International

Mc Rel: Glue Polymer (Whelmer #15 Learning Activity)

For Teachers 3rd - 8th
An easy to do activity that investigates the basic principles behind chemical bonding. The activity is written in lesson plan format that meets NSES standards.
Online Course
Massachusetts Institute of Technology

Mit: Open Course Ware: Introduction to Numerical Analysis for Engineering

For Teachers 9th - 10th
College-level electrical engineering course highlighting numerical analysis for engineers. This course introduces students to the formulation, methodology, and techniques for numerical solution of engineering problems. Course features...
Handout
Wolfram Research

Wolfram Math World: Relative Error

For Students 9th - 10th
A brief definition of relative error plus links to pages on absolute error, error propagation, and percentage error.
Unit Plan
Sophia Learning

Sophia: Error Analysis: Lesson 3

For Students 9th - 10th
This lesson will explain and provide examples of how different types of error impact accuracy and precision. It is 3 of 3 in the series titled "Error Analysis."