People have been sending mail for a long time. But how they send it has changed over the years. Learn the history of mail delivery as you collect data!

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!