According to your answer, it looks like you could use some help multiplying with a decimal point. We recommend starting with Volume 1 of the Learn Math Fast System. You'll learn how to add, subtract, multiply, and divide with a decimal point, plus a whole lot more.
RESULTS: End of 3rd Grade Level, however, the Learn Math Fast System is for all ages. Volume 1 covers all math facts to build a solid foundation in math. There is no mention of grade level within the books.