Third-grade science can be tricky, but DK Workbooks: Science: Grade 3 will sharpen the science skills of 8 and 9 year olds. With lessons to help understand speed, force, mass and volume, energy, the solar system, land and sea features, anatomy, and plant reproduction, third graders will boost their confidence and knowledge in these areas....

Support the expanding math skills of children ages 6 and 7 in DK Workbooks: Math: Grade 1. Topics include adding and subtracting up to twenty, symmetry, giving change, patterns, bar graphs, and other areas of math taught in a first grade classroom....

In DK Workbooks: Math: Grade 2, second graders can practice what they learn in school with exercises on odd and even numbers, counting in tens, measuring, adding and subtracting lengths, problem solving with money, and more....