Assessment
Houghton Mifflin Harcourt

Simple and Compound Interest

For Students 7th - 12th Standards
Your learners will get lots of practice calculating simple and compound interest by the end of this lesson. Simple explanations and examples lead learners through the concepts and steps of calculating simple and compound interest...
Handout
University of California

Organic Chemistry Page: A Brief Tutorial on Drawing Lewis Dot Structures

For Students 9th - 10th
An excellent lesson on writing Lewis structures. Examples shown include ammonium ion, carbon dioxide and the carbonate ion.