This is a 40 -page booklet abundant with both basic calculation problems to more complex, mult-step word problems. The booklet is sectioned into 4 levels for each operation. For instance, for Additon, there are 4 separate levels to more complex calculations and problem solving. Each level will take the student closer to mastery of identifying when to use adding, subtracting, multiplying or dividing. Also, decimals and percents are sprinkled appropriatley in this book to challenge students. This product is great for warm ups, skill builders, partner activities, and for interventions.