Mixed Ten Addition Set Answer Key

This worksheet provides a large set of vertical addition problems involving adding ten to a variety of two-digit numbers. Students write each sum in the box provided, reinforcing understanding of how the tens digit changes while the ones digit stays the same. The vertical organization supports place-value accuracy and computational efficiency. Students gain fluency through repetition, building confidence in quickly and accurately solving multi-digit addition problems. The page is ideal for practice, review, or assessment of skills related to adding multiples of ten.

Curriculum Matched Skills

Mathematics – Addition Within 100

Mathematics – Adding Multiples of Ten

Mathematics – Vertical Place-Value Alignment

Mathematics – Number Sense Fluency

This worksheet is part of our Adding 10s and 20s Worksheets collection.