Perfect for 2nd–4th Grade | 50 Worksheets + Answer Key | PDF Bring festive fun into your math classroom with this Christmas 3-Digit Addition With Regrouping worksheet set! Designed for 2nd Grade, 3rd Grade, and 4th Grade, these activities help students master multi-digit addition while enjoying cute holiday-themed illustrations such as Santa, reindeer, gifts, snowflakes, and more. These worksheets blend rigorous math practice with delightful Christmas coloring elements, making them perfect for w