Sally Wilson's Puzzle Place. Sally Wilson's Puzzle Place features an online collection of a math teacher's favorite logic and word puzzles for grades 6-12. Included are hints, answers, and links to other puzzle pages. Saxon Publishers' Math Challenge. Saxon Publishers' Math Challenge is a series of weekly math problems offered by the publisher for grades 6-12.
Kids can click on either math teaser or math stumper to retrieve the problem.
Solutions and an archive of previous problems are included. Sherlock Holms' File Cabinet. Sherlock Holms' File Cabinet contains 65 math and logic problems and solutions for students in grades 7-12. Scott Foresman's Math Problems of the Week. Scott Foresman's Math Problems of the Week is a set of weekly math problems for students in grades 4-8.