Basic Addition Facts Answer Key

In this worksheet, students practice adding single-digit numbers to six, strengthening early addition fluency. Each problem shows a vertical addition expression with a blank box for students to write the sum. The layout presents a wide variety of addends, allowing learners to see patterns as they repeatedly add six. This repetition supports automatic recall, which is essential for progressing into more complex arithmetic. The worksheet also encourages neat writing and number formation as students record each answer. Through structured practice, students develop accuracy, confidence, and foundational number-sense skills.

Curriculum Matched Skills

Mathematics – Addition of Single-Digit Numbers

Mathematics – Fluency with Addition Within 20

Mathematics – Number Sense and Operational Understanding

Mathematics – Understanding Commutative Properties of Addition

This worksheet is part of our Addition Facts With 6 and 7 Worksheets collection.