- Solving Equations (Breakthrough to Math, Level Three, Book 2)
- Breakthrough to Math: Basic Skills with Whole Numbers, Reading Level 3-5: Adding Whole Number, Level 1
- Decimal Fractions: Level Two (Breakthrough to Math)
- Dividing Whole Numbers (Breakthrough To Math, Level One, Book 5)
- Exponents, Roots and Polynomials (Breakthrough to Math, Level Three, Book 4)