Fluffy Learning Lab

Build number sense and deepen understanding of equations with this fun Christmas Missing Addends pack! Students practice solving missing addend problems for both addition and subtraction within 20, plus mixed equations to support mastery. With 90 no-prep worksheets and adorable holiday-themed illustrations, this set is perfect for K–2 classrooms throughout December. ⭐ What’s Included (90 Pages): 30 pages – Missing addends addition within 20 30 pages – Missing addends subtraction within 2