Practice number matching, addition, subtraction, multiplication or division with these fun Halloween theme color by number pictures! These activities are perfect for math centers, morning work, early finishers, substitutes or homework. Each picture has 33 worksheets for the following skills: matching numbers to 20, number words, addition to 20, subtraction within 20, doubles addition, doubles + 1 addition, multiplication from 1 to 12 and division from 1 to 12. You can choose the most appropriate