A very basic place to find the percent error formula, with a very brief description of its use.
Beverly Hills Unified School District


8th Chemistry Vocab
StudyStack

Organic Chemistry
StudyStack

BIO205  Ch 2  Chemical Principles  RioSalado  AZ
StudyStack

This website is great because it generates numbers for students to guess how many sig figs each number has.
Significant Figures

Chapter 6  Standard Esthetics
StudyStack

Interactive quiz format allows students to practice determining significant figures in several measurements.
Significant Figures Practice

Contains a detailed destcription of the Qtest, used to determine when a data point can be ignored as an anomolous outlier
University of Athens
