Engage first graders with interactive video mini-lessons on adding and subtracting multiples of 10 from 2-digit numbers. Includes worksheets for independent practice. Make math time stress-free and engaging with 3 interactive video mini-lessons on adding and subtracting multiples of 10 from 2-digit numbers! Perfect for math centers, rotations, or independent practice, this resource helps students build fluency while freeing you up to meet with small groups. Each video breaks down key math stra