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

Celebrate the last days of school and keep addition fact fluency sharp with this Happy Last Day of School mystery picture. Students solve each addition problem within 20, color by code, and reveal the festive message in this color-by-number page that's easy to add to your end-of-year plans. 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 • Addition Within 20 review and reinforcement • Sub plans or small-group practice • Addition fact fluency practice • Printable take-home activities and more!