Set sail to explore the vast ocean expanses-but be sure to bring your math skills! You'll need a good map, and understanding coordinate planes is key. Students will learn about ocean maps and the history of early navigation. Mathematical problems and diagrams are included to strengthen problem-solving skills and math knowledge. Used in the classroom or at home, this Spanish book includes a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills while they are engaged in reading high-interest content.