Increase motivation by letting kids color in their favorite characters while practicing numbers, addition, subtraction, division and multiplication. This is one comprehensive and differentiated color-by-sum pixelart mystery picture revealing a Ninja pixelart. For grades K-5. No prep single page printables. Included are 33 printable worksheets all using the same ninja image and answer key, but with different problems to solve. This ensures that the whole class can work on the same image while pra