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123 dEcode® Rules-Based Math Programs

The 123 dEcode® Math programs are different from currently available texts and teaching aids. The 123 dEcode® method of teaching uses several unique and important features:

  • It is a RULES -BASED system comparing and contrasting the rules for different operations
  • The rules governing the operations are emphasized and repeated frequently
  • Operations are broken down into the smallest possible increments of learning
  • All terms are carefully defined
  • Many examples are given and fully explained in easy-to-understand words and mathematical sentences, many with accompanying diagrams
  • Many practice questions are offered to facilitate skill improvement, and students are encouraged to master each section before proceeding to the next
  • "Answer" books, bound separately, are unique in that they provide all the steps required to achieve the solution, rather than just giving the answer

Rules-Based Math Program Textbooks

Fractions

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Integers

  • Basic Integers (to grade 7) - What integers are and why we need them; vertical and horizontal number lines; brackets around individual integers; adding integerswith like and unlike signs; subtracting integers; integer operations rules review. This set includes:
    • Text and Quizzes
    • Answers

    Click here to order Advanced Integers (to grade 7)
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  • Advanced Integers (to grade 9) - Review of basic concepts, definitions and rules; advanced adding and subtracting; removing brackets; simplifying terms; multiplying; dividing; order of operations; comprehensive
    review chart of integer operation rules. This set includes
    • Text and Quizzes
    • Answers

    Click here to order Advanced Integers (to grade 9)
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  • Rational Numbers - Definition; moving from integers to rationals; rationals in decimal form; multiplying and dividing rationals; adding and subtracting rationals; order of operations with rationals. This set includes:
    • Text and Quizzes
    • Answers

    Click here to order Advanced Integers (to grade 9)
    Contact Us

Algebra (coming soon)

Geometry (coming soon)

Radicals and Exponents (coming soon)

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