This e-book teaches financial math which is also known as consumer math on a level that is easy for children to understand. We recommend adult guidance even though we have provided easy formulas and easy numbers. I Love Math! E-book is great for self-tutoring, self-directed learning, small and whole group instruction for children ages 9 -12. I Love Math! E-book connects basic addition, subtraction, multiplication, and division to budgeting, saving, investing, and other important financial concepts.