Blast off into the school year with this engaging, no-prep math puzzle!Your students will work to crack 20 alien code beacons by creating each target number using exactly four 4’s and allowed math operations. This differentiated, collaborative activity is perfect for building number sense, problem-solving skills, and teamwork — all while having fun. Whether you’re looking for a first-day-of-school icebreaker, a brain teaser for early finishers, or a challenge activity for math centers, the A