Product Description3-Digit Addition Worksheets for 1st, 2nd, and 3rd Grade | 2 Pages, 40 Problems Build accuracy, confidence, and place-value understanding with this comprehensive set of 3-digit addition worksheets. Designed for grades 1–3, this packet provides abundant practice to help students master adding within 40, develop regrouping skills, and strengthen fluency with the standard algorithm. Across 2 printable pages and 40 total problems (about 20 per page), students get clear, uncluttered