The sea is filled with many interesting creatures. But the narwhal is one of the most fascinating creatures of all! This member of the whale family is called the "unicorn of the sea." Learn about narwhals as you practice addition.

This math reader builds mathematics and literacy skills, combining informational text, problem solving, and real-world connections to help first grade students explore math in a meaningful way.

• Let's Do Math! sidebars feature clear diagrams that provide students with opportunities to practice what they've learned.
• Problem Solving activity enhances the learning experience and promotes mathematical reasoning.
• Math Talk includes questions that develop students' speaking, listening, and higher-order thinking skills.
• Text features include bold font, headings, captions, dynamic images, a glossary, an index, and a table of contents to help students navigate the text and increase comprehension.

Aligned to state and national standards, this high-interest title will engage students in reading and learning!