Tens Addition Application Answer Key

This worksheet provides practice adding ten to various multi-digit numbers using horizontal equations. Students compute each sum mentally or with partial written steps. The horizontal format encourages students to apply mental strategies rather than relying solely on vertical alignment. The worksheet helps learners deepen their understanding of how place value governs changes when adding multiples of ten. Students gain fluency and confidence in quickly adjusting numbers by ten. This practice prepares students for more complex multi-digit operations.

Curriculum Matched Skills

Mathematics – Mental Addition Using Tens

Mathematics – Addition Within 100 and 1,000

Mathematics – Understanding Tens and Ones

Mathematics – Number Pattern Recognition

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