Strap on your tool belt, put on your hard hat and grab a level! Students will learn how to calculate perimeter and area while engaged in reading about a contractor's busy day. This Spanish math reader builds literacy and math content knowledge while introducing students to the concepts of perimeter and area, and vocabulary terms like square unit, linear unit, expenses, bid, and estimate. The DOK-leveled Math Talk section includes questions that facilitate mathematical discourse and activities that students can respond to at home or school. Let's Explore Math sidebars and the extensive Problem Solving section provide ample opportunities for students to practice what they have learned. Text features such as a glossary, index, bold print, and a table of contents increase understanding and increase academic vocabulary. Learning perimeter is fun and easy with this engaging grade 3 math reader that describes the many details of a contractor's job.