Middle-School (grades 5 through 9) math program. Students solve crossnumber puzzles by evaluating simple expressions. Program uses only positive integers. Evaluating Crossnumber Puzzles is licensed as freeware, full size of the download is 0.244 MB. You can download a free version of Evaluating Crossnumber Puzzles by following download link at Free Downloads section of this page. Evaluating Crossnumber Puzzles is developed or distributed by Polymath Love and is listed under mathematics middle school k-12.