2 - 3 - 4 Digit Adding & Subtracting Math Worksheets | Crack the code and Coloring Find answers and solve puzzles. Then color the picture of the correct answer. Worksheets to practice addition and subtraction skills for children. Can help children have more fun in learning mathematics. If you like and are interested in more of this worksheet. You can buy my work here. > 2,3,4 Digit Addition & Subtraction Math Worksheets, Crack the code,game,Coloring