Let's celebrate Earth Day with this fun and engaging math activity for your 3rd grade, 4th grade or 5th grade students. Your students will love these multiplication puzzles as they solve problems to Crack the Code and improve their fluency.This product includes 2 puzzles with answer keys. It also includes 5 differentiated options for each puzzle for your students to practice their multiplication facts, and have fun doing it! This works well for math centers, RTI, special education, and morning w