Error analysis is an instructional strategy that can assist teachers to identify learners' areas of weakness in mathematics and that can point to remediation of those errors. This article explores the errors learners exhibit when solving quadratic equations by completing the square using Newman's Error Analysis Model. A research study explored the…

This study investigates the use of writing portfolios in improving the accuracy of French immersion students' written French. It emerged from regularly observed notable and repeated errors in many of the author's students' writing (entitled fossilized errors due their resistance to correction). This study reaffirms that students of French…