This book, with 200 math problems, covers the following topics: Number Sense, Addition/Subtraction, Fractions, Operations, Money, Shapes/Patterns, Length, Weight/Capacity, Probability, and more These problems come from the book "Second Grade Math (For Homeschool or Extra Practice)"; it more thoroughly covers the topics to help your child get a better understanding of the subject. If you purchased that book, or plan to purchase that book, do not purchase this, as the problems are the same.