In this activity, students practice both vocabulary and procedural content. Math crossword puzzles are great for practice, review, and extensions for early finishers. Up to three versions of the clue sheet are included--each with increasing hints as to the number of words/letters in the solution. Answer key included. This puzzle addresses volume of prisms, pyramids, cylinders, cones, and spheres--all of the solids included in seventh and eighth grade geometry standards. A digital, self-correctin