Halloween Addition to 1000 with Regrouping | 2nd & 3rd Grade Math WorksheetsGive your students meaningful math practice this Halloween with these no-prep addition worksheets focused on 2- and 3-digit addition with regrouping up to 1,000. This resource includes 30 black & white worksheets with a fun Halloween theme—perfect for centers, homework, review, or test prep. Each page features 9 problems, totaling 270 addition questions, and comes with a full answer key for easy checking. Here’s W