Take advantage of our free, printable 3-digit Addition Worksheet that includes regrouping and an answer key for your child's extra practice. This resource is perfect for reinforcing the concept of carrying over in addition. Once students have grasped the basics of three-digit addition without regrouping, they can advance to more challenging problems that require strategic regrouping. With this worksheet, they can practice independently and check their work with the provided answer key. It's a great tool to help students perfect their addition skills and build confidence in their mathematical abilities.