Never waste a single minute when you fill in 'down time' with Daily Warm-ups! Give your students the skill to become confident at solving problems, and help prepare them for standardized tests with these quick and fun problems that will prepare them for the study of Prefixes, Suffixes, and Roots. Students will learn to identify, use ,and differentiate between various prefixes, suffixes, and roots. 196 reproducible warm-ups, answers in the back. PDF Downlod. Softcover. Grades 5-8.