Since I am not familiar with this concept, I searched Google under the key words "hundred chart" to get these possible sources:
http://www.google.com/search?client=safari&rls=en&q=hundred+chart&ie=UTF-8&oe=UTF-8
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
Describe the steps you would use to add 57+29 on a hundred chart. Tell how to use the rows to find the sum.
2 answers
57+29 on a hundred chart