Blotch math

Today for math we learned how to do blotch. The Stuff you need different 3-4 color pencils a blotch  page. If you want look at math's pickle. How to do it well pick a number and shade it and shade all the touching ones and till you get the number you shaded but don't count the starting number so if the you do  9 14  =23  but is really 25.