100th Day Smart Star Mixed Addition and Subtraction Within 20 Color by Number Worksheet
Mixed Addition and Subtraction Within 20100th Day of School1st Grade2nd Grade
Shine on the 100th day with this Smart Star mystery picture that supports fact fluency in addition and subtraction within 20. Students solve each problem, color by code, and reveal the star one section at a time. It's a color-by-number page that's quick to set out for morning work, centers, or a classroom celebration.
Designed for independent work and easy review, this no-prep printable keeps students engaged with flexible options for centers, rotations, or quiet work time.
🏫 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:
- 100th Day of School math activities and celebrations
- Smart Star 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!
Want a different picture or skill? Customize this worksheet in the generator.
