Challenge your students with these Vertical Double Digit Addition Worksheets: 3 Addends. Designed for advanced 2nd Grade and 3rd Grade math practice, this printable set requires students to add three two-digit numbers arranged in vertical columns (e.g., 24 + 15 + 32).
Perfect for building mental stamina and place value mastery, these worksheets push students beyond simple pairs. Solving “3-addend” problems strengthens calculation accuracy and prepares learners for more complex multi-digit arithmetic. Ideal for homework, morning challenges, or fluency drills.