Build addition fluency in a fun, hands-on way with these Sun Beetle Activity Mats! 🐞☀️ Designed to extend the doubles strategy and introduce students to adding three numbers, these engaging mats help learners develop confidence while working within a supportive structure. Each beetle features three sections (two wings + body) to represent a number sentence. All problems follow a doubles +1, +2, or +3 format (e.g., 8 + 8 + 2), encouraging students to use known facts and build efficient ment