Two CD's in one auction! Mighty Math Number Heroes Pre Algebra Middle School Math CD/ROM in like new to very good condition. (Please see pictures) Master 3 Years of Math Problem Solving & Logic Addition, Subtraction, Multiplication, and Division Fractions Interpreting Graphs and Charts Probability Purchased new and gently used. Zoombinis Logical Journey from Southwestern Company Epic Adventures of Math & Logic Condition:  Very Good - Purchased new and gently used. Please see pictures Travel to a remarkable new world and treat your brain to an outlandishly fun and challenging adventure. Diabolical Bloats have seized Zoombini Isle, and it will take a clever mind to help the Zoombinis navigate their way to safety. Standing between you and your destination are twelve perilous puzzles, with four levels of difficulty each. But beware, this is no ordinary challenge. Zoombinis’ captivating gameplay features math without numbers. Solving Zoombinis puzzles uses the process of mathematical thinking. This process includes organizing information, reasoning with evidence, and testing systematically. Dive into the exciting and wacky world of the Zoombinis and develop information-age logic skills used in writing computer programs, organizing spreadsheet data, and searching for information on computer networks. Runs on Windows 95, 98, Me, 2000, XP and up Free shipping to the 48 contiguous states of the United States only please. Please view our other auctions and thanks for looking!