Objective: Find the GCF and the LCM With these worksheet, students will be engaged as they solve 18 problems. As they solve each problem they will draw and reveal a hidden picture. If the completed picture doesn't look right, students will be able to self-assess and try to find their mistakes. Answer key is included. Great for substitute work, independent practice, homework, math center, or differentiated instruction, indoor recess, early finishers, or extra credit. Bundle includes:1. Least Co