Challenge Exercises Student Workbook: Year 2 - Level 3 (Grades 5 - 8+)The Level 3 Challenge Exercises Student Workbook (targeted for Grades 5 8+) provide fun worksheets to reinforce roots and root meanings with students. Worksheets include "Sentence Completions", "Crossword Puzzles", and our own unique "Word Find" puzzles. At Level 3, Challenge Exercises do not have as many visual elements as the earlier Level workbooks. More emphasis is placed on understanding Constructed Word definitions and the workbooks incorporate