Single-Digit Addition Answer Key

In this worksheet, students work through thirty mixed addition problems that reinforce mastery of single-digit sums. The exercises feature a variety of number combinations, requiring students to engage mental math strategies and strengthen recall. The repeated practice helps them recognize number pairs that make common sums and build fluency over time. As students complete the sheet, they improve both their computational accuracy and their overall confidence with addition. This foundation is crucial for progressing into multi-digit operations and more advanced math concepts.

Curriculum Matched Skills

Mathematics – Building Fluency with Addition

Mathematics – Understanding Number Combinations

Mathematics – Mental Math Development

Mathematics – Basic Operations Practice

This worksheet is part of our Mixed Addition Facts Worksheets collection.