The Math Mammoth Grade 4-A worktext focuses on multi-step word problems and the order of operations, multi-digit multiplication, long division and its applications, problem solving using multiplication and division, conversions between measuring units, developing conceptual understanding of fractions and decimals, and geometry topics such as measuring angles, drawing polygons and circles, perimeter, and area of rectangles.
You can purchase the Math Mammoth Grade 4-B Complete Worktext here.
The printed worktext does not contain the answers. You can purchase a download of the supportive materials, which includes answer keys for both worktexts (A and B), tests, cumulative reviews, a worksheet maker, and Soft-Pak software.