Presented is an overview of some specific schemes that have been used successfully by teachers throughout New York State to strengthen basic mathematics skills. Components offer ideas that have been successful with primary, intermediate, and secondary students. The contents of this Spanish language edition are identical to the English language and other foreign language editions. In addition to the Foreword, there are sections on: (1) Some Brief Observations About Strengthening Mathematics Skills; (2) The Balanced Mathematics Program; (3) "Par"--Puzzles+Arithmetic=Remediation; (4) Regrouping in Subtraction; (5) Money Games; (6) A Visual Sequence for Teaching Fractions; (7) A Space to Carry in Simple Addition and Multiplication Examples; (8) Grid Paper Computation; (9) The Need for Math Reading Skills; (10) A Structural Approach to Multiplication; (11) The Electronic Calculator in Remedial Mathematics; (12) Nature's Mathematics; and (13) Additional Teacher Designed Ideas. (MP)