In this program, intellectual abilities specific to math learning are developed through exercises that have been used for more than 30 years. It first teaches math concepts to provide a foundation for learning both math skills and content, which it teaches later.

The concepts are taught by a technique that was developed for industry and proved to be 800% more effective than conventional instruction. MathPrep is a great tool for both the introduction of new material or for the remediation of material not learned with previous instruction.  learn more >

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SOI math training programs


For your child's first experience with mathematics, try Math Starter! This program teaches the basic concepts of mathematics including: counting, addition, subtraction, multiplication, and the decimal system. If your student has been struggling with these basic concepts, this program provides a way to get him or her back on track!  learn more >

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These exercises are excerpts of SOI modules that target numeric progressions, symbolic systems, evaluation, & comprehension of abstract relations. The goal of this workbook is to increase the student’s abilities in the area of math.

workbook: $4.50