Make holiday math fun with this Christmas Color-by-Code set! This pack includes 8 engaging worksheets covering addition and subtraction within 20, plus 8 matching answer keys for easy checking. Perfect for Kindergarten and 1st Grade students to build confidence with early math facts while enjoying festive coloring fun. Each page features kid-friendly problems and clear color codes that help students practice: Addition within 10 – 2 pages Subtraction within 10 – 2 pages Addition within 20 –