Build your students’ confidence with this big set of 3-Digit Addition Without Regrouping Worksheets! This resource includes 50 no-prep practice pages, each with 12 vertical 3-digit addition problems arranged in three clear columns . It’s perfect for giving your students plenty of repetition and fluency practice with multi-digit addition without carrying/regrouping. You’ll also get a full 50-page answer key, with every problem solved and highlighted in red for easy checking . Use these pages