Rounding Riddle

A riddle is a question that is difficult to answer. A riddle is like a puzzle. Read this riddle, then click on "comments" to write your answer.

I am a number. I am the difference between 850 rounded to the nearest 100 and 850 rounded to the nearest 10. How much am I?

If this question is too difficult for you, ask Jessica for a worksheet about rounding.