Dive Summary:

• Discovery Education is expanding its Techbook line of digital textbooks to include mathematics alongside its current selection of K-12 science and middle school social studies.
• Launching in 2014, the Math Techbooks will cover 6th, 7th and 8th grade math, as well as high school-level courses like Algebra I, Algebra II and Geometry.
• Discovery Education's Techbooks feature interactive content, real-time updates that allow teachers to incorporate current events into lessons and built-in assessments that measure student progress, and are designed with state and Common Core State Standards in mind.

From the article:

... Built in conjunction with a team of experts, including educators, students, and technologists, Discovery Education Math Techbook will provide students interactive, engaging learning experiences that help support their procedural skills, fluency, understanding of theoretical mathematics concepts and ability to solve real-world problems. ...