The cover the zero strategy for adding tens is a technique used to simplify the process of adding tens. This strategy helps students better understand and perform addition. This set of BOOM Digital Task cards includes a video minilesson that teaches the strategy and 20 self-checking cards for students to master it. ⭐⭐Be sure to follow my store for more engaging resources⭐⭐⭐⭐Questions? email denise@teachinthings.com⭐⭐