Presents science investigations that involve some challenging mathematics related to proportional reasoning. Can be embedded in thematic, interdisciplinary units to reinforce understanding of specific proportions, provide practice in proportional thinking, or assess abilities in solving problems that involve proportions. (JRH)

Describes a Russian approach of using literature to make physics instruction more interesting and attractive to students. (PR)

Describes a unit that applies constructivist teaching methods to a science concept. Contains mini-lessons in math that present to students information that they need to know in order to perform their experiments. Gives students the opportunity to construct their own knowledge about the natural phenomenon of light as they apply their mathematical…