West VirginiaMathematics Mathematics HMH’s K–12 math programs offer a variety of solutions. With cutting-edge technology and award-winning content, our programs provide the tools needed to prepare all students for the rigor of state assessments. GO Math!, Grades K–8 GO Math!® K–8 emphasizes depth of understanding, communication, and problem solving applications through interactive lessons, researched-based instructional approaches, best practices from around the world, and differentiated instructional resources to ensure success for all students. Rich digital resources, including a tablet-ready curriculum at Grades 6–8, personalize learning at every grade level. Students (and teachers) will be thoroughly prepared for the rigor of state assessments. Learn More Osmo Game System Osmo™ is a unique and award winning, educational, gaming system for iPad® (version 2 or higher) that comes with a variety of activities. The newly released Numbers game can be used with two signature HMH® math programs—GO Math! and Math Expressions —to provide students with engaging activities for additional practice and fluency building. Learn More iPad is a trademark of Apple Inc., registered in the U.S. and other countries. OSMO is a trademark of Tangible Play, Inc. Houghton Mifflin Harcourt™, HMH®, and GO Math!® are trademarks or registered trademarks of Houghton Mifflin Harcourt.