According to your answer, it looks like you could use some help dividing with decimal points. We recommend starting with Volume 1 of the Learn Math Fast System. We can teach you how to multiply and divide with decimal points, plus a whole lot more.
RESULTS: 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.