A FULL YEAR of 4th grade math spiral review - 36 weeks, 180 days, zero prep. Monday to Thursday students solve two quick spiral problems a day. Friday brings one problem plus a PUZZLE (mini sudoku, multiples maze, magic square, or target number) - the day students actually ask for.NO COPIER NEEDED: project the included slides (one per day - 181 slides) and students answer in any spiral notebook. One notebook lasts the whole year. Or print one page per week per student - five days fit on a single