Julia has 36 books. she wants to donate 2/3 of them to a library book drive. how many books will she donate? draw a model to show how you found your answer.

Rounding  means we are finding the closest  benchmark number. abenchmark number  is one that is easy to  use  in operations and/or quicker to say and write. a  number  line can us  round  by showing the closestbenchmark number. five is the midpoint  between  0 and 10.