Boo! There is a mystery behind every door of the creepy haunted house. Luckily, algebra will help you solve each problem. By using simple addition, subtraction, mulitplication, and division, you'll discover that solving math mysteries isn't scary at all -- it's fun!
- So Funny
- Books I can read right now
- What's new?
- Popular titles
- Great Reads - Grade 5
- For Inventors and Inquirers
- See all
- BKL-- Big Kid Laughs
- LKL-- Little Kid Laughs
- Books I can listen to right now
- What's new?
- Popular titles
- Check these out!
- See all