TeachEngineering
Teach Engineering: Close Enough?
Accuracy of measurement in navigation depends very much on the situation. If a sailor's target is an island 200 km wide, sailing off center by 10 or 20 km is not a major problem. But, if the island were only 1 km wide, it would be missed...
Virginia Tech
Virginia Tech: Precision Without Accuracy in Crime Scenes
A police forensics scientist discusses how precision will muddy the true accuracy of a crime scene. Interesting stuff. A new real world look at precision and accuracy.
Simon Fraser University
Chem1 Virtual Textbook: Error and Uncertainty in Measured Values
As part of a larger site called "Getting started in Chemistry," this site examines various topics related to measurements and the error and uncertainty that accompanies the methods of measurements.
Oswego City School District
Regents Exam Prep Center: Error in Measurement
What are the common errors made when students take measurements and how can they be avoided? A good deal of vocabulary associated with measurement errors is explained. Tips are provided for the student and the teacher in hopes of...
Sophia Learning
Sophia: Error: Lesson 3
This lesson will provide examples of systemic, random and gross error. It is 3 of 3 in the series titled "Error."
Sophia Learning
Sophia: Error: Lesson 2
This lesson will provide examples of systemic, random and gross error. It is 2 of 3 in the series titled "Error."
Sophia Learning
Sophia: Error Analysis: Lesson 3
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."
TeachEngineering
Teach Engineering: Getting It Right!
In this lesson, students will investigate error. As shown in earlier activities from navigation lessons 1 through 3, without an understanding of how errors can affect your position, you cannot navigate well. Introducing accuracy and...
Shodor Education Foundation
Shodor Interactivate: Estimator Four
This applet game for two allows you to practice estimating at several different levels of accuracy. You can choose whole number addition, multiplication, percentages or any combination of the three.
Shodor Education Foundation
Shodor Interactivate: Comparison Estimator
Use this applet to practice your estimating skills comparing length, area, counting or a random sampling of those topics. You can also adjust the difficulty and the precision needed. The applet also lets you know how close you are to the...
CK-12 Foundation
Ck 12: Uncertainty in Measurements
[Free Registration/Login may be required to access all resource tools.] In the following online lesson students will learn to distinguish between accuracy and precision in measurements and to also calculate the percent error of a...