They are presented in exact statistical order of difficulty according to the study, The New Iowa Spelling Scale by the late Dr. Harry A. Greene, University of Iowa. . Contains Survey Tests for Placement Contains directions for use with The Patterns of English Spelling and Word Families in Sentence Context .
Every word is cross-referenced to The Patterns of English Spelling .
Students study only the patterns they need to learn. For each pattern they master, they may learn from 10 - 100 different words. All donations are greatly appreciated.