Explore the world's strangest races and the serious competitors seeking to break new world records! From toilet racing to the fastest freefall time, take a look at some of the strange things people do as you measure the time it takes to set a world record. By integrating math and literacy skills, this high-interest math reader makes learning mathematics simple, relevant, and fun, and the real-world examples of problem solving allow students to explore the concepts in meaningful and engaging ways. The text includes mathematical charts and diagrams that provide students with rich tasks that promote reasoning and higher-order thinking skills as they gain confidence measuring time and data. The DOK-leveled Math Talk section provides questions that facilitate mathematical discourse and activities that students can respond to at school or at home. The Problem Solving section provides an in-depth opportunity for students to apply what they've learned. Text features include a glossary, index, captions, and a table of contents to build academic vocabulary and increase understanding. Learning how to measure time is fun and easy with this engaging grade 4 math reader!