Alabama Learning Exchange
Writing Word Equations
Students explore the concept of chemical formulas. For this chemical formula lesson, students watch a video about balancing chemical equations. Students conduct an experiment using silver nitrate and sodium phosphate. ...
CK-12 Foundation
Ck 12: Analysis: Problem Solving With Series Sums
[Free Registration/Login may be required to access all resource tools.] More on calculating the partial sums of arithmetic series.