End of the Year Happy Last Day of School Mixed Addition and Subtraction Within 20 Color by Number Worksheet

Wrap up the year with mixed addition and subtraction practice that supports fact fluency within 20. Students solve each problem, color by code, and reveal the Happy Last Day of School message in this color-by-number mystery picture. It's an easy page to pull out for 1st and 2nd graders when you want a cheerful, skill-building activity. This no-prep printable is ready for independent practice and easy review, with flexible options for rotations, quiet work time, or quick skill checks. 🏫 For classroom teachers: Great for 1st & 2nd grade classroom math centers, morning work, and sub plans. 🏠 For homeschool parents: Ideal for fun independent daily practice, hands-on learning, and self-checking. Perfect for: • May & June End of the Year Math Activities • End of the Year math centers and classroom rotations • Independent practice or quiet work time • Morning work, early finishers, or homework • Coloring displays or student work boards • Mixed Addition and Subtraction Within 20 review and reinforcement • Sub plans or small-group practice • Mixed Addition and Subtraction fact fluency practice • Printable take-home activities and more!