7th Grade (4)

CSI Chapters, Levels M-P, Digital ebooks with annotation tools and multimedia

CSI Chapters is a leveled collection of 25 original chapter books in both hard copy and interactive e-book formats that are designed to accelerate comprehension development, vocabulary acquisition, and content...

What makes a parallel line sad? Why is nine a magic number? How can a zero be a superhero? Here's a way to look at mathematics from a fun, new...

Is it possible to save too much money? Federico needs to save a lot of money to reach a big goal, but he must learn some important lessons along the...