Preschool, Kindergarten and First Grade Fall, Thanksgiving and Halloween themed math activities, worksheets and assessments. Includes addition, subtraction, counting, more and less, length and more! Perfect center activity, morning work or independent work. Print out as no-prep worksheets, or put them in a page protector and use them again and again as a center activity! (UPDATED to include a black and white low ink version as well, which is an additional 22 pages). Math Unit includes:AdditionSu