An advanced dictionary giving pronunciation, part of speech, definition, and some etymologies. Includes a section on use of the dictionary.

An intermediate dictionary giving pronunciation, examples of usage, and part of speech for each definition of a word. Includes some etymologies and exercises an

Included are Word Families and Word Sources, literary terms highlighted with examples, a 14-page reference section and style manual to writers, plus 100,000 ent

Envision a math program that engages your students as it strengthens their understanding of math. enVisionMATH uses problem based interactive learning and visua

For grades 1-5.