Multi-Digit Addition Drill Answer Key

This worksheet provides students with thirty multi-digit addition problems arranged in boxed vertical format, ideal for timed fluency practice. Each problem includes two- or three-digit numbers, requiring learners to apply place value understanding and regrouping as needed. The structured format supports accuracy by guiding students to align digits correctly as they compute. The variety of addends strengthens students’ ability to work efficiently across different number ranges and regrouping scenarios. Completing this timed set helps students build endurance, precision, and confidence with larger addition tasks.

Curriculum Matched Skills

Mathematics – Multi-Digit Addition with Regrouping

Mathematics – Place Value Alignment for Vertical Computation

Mathematics – Timed Fluency with Larger Sums

Mathematics – Accuracy in Multi-Step Arithmetic

This worksheet is part of our Timed Addition Drills Worksheets collection.