Book excerpt: Strengthen students' knowledge of basic math operations, fractions, decimals, geometry, algebra, metrics, and more! This fun, classroom supplement presents math skills reinforcement through crossword, word search, hidden number, and hidden message puzzles; quizzes and answer keys are also included. Mark Twain Media Publishing Company specializes in providing captivating, supplemental books and decorative resources to complement middle- and upper-grade classrooms. Designed by leading educators, the product line covers a range of subjects including mathematics, sciences, language arts, social studies, history, government, fine arts, and character. Mark Twain Media also provides innovative classroom solutions for bulletin boards and interactive whiteboards. Since 1977, Mark Twain Media has remained a reliable source for a wide variety of engaging classroom resources.