Make math practice fun with this Summer Shark Math Fun worksheet pack! This resource includes 30 printable worksheets focused on 4-digit addition and subtraction with and without regrouping, with sums and differences up to 10,000. Perfect for 2nd Grade, 3rd Grade, and 4th Grade students. Includes:30 student worksheets30 answer key pages1 color cover1 black & white coverGreat for summer math review, morning work, math centers, homework, independent practice, homeschool, and classroom activities.