Engage your students in mastering multi-digit addition and subtraction with this comprehensive 50-question worksheet, perfectly aligned with Common Core Standard 4.NBT.B.4: Fluently add and subtract multi-digit whole numbers using the standard algorithm. Designed for rigorous practice, this worksheet offers a variety of problem types to reinforce critical skills and build confidence in place value understanding and arithmetic fluency. What's Included:Warm-Up Section: Pre-requisite questions to