how do you round off numbers?

I am learning how to round off numbers--how do you round off numbers?...is there a basic formula or technique I can apply to all rounding off of numbers?

1 Answer | 0 Votes | Lydia from Vancouver, WA 4/18/2013

what is the best estimate of 33.6?

I amtrying to explain how to round off numbers to my my grandson

2 Answers | 0 Votes | Rita from Houston, TX 2/28/2013

round $9.00

How do I round $9.00?

2 Answers | 0 Votes | Jenna from Elk Grove, CA 10/30/2012

round 5,789,345.678 to the ten-thousands place

How do you round this?

3 Answers | 0 Votes | Destiny from Menomonee Falls, WI 12/28/2012

why do we round up or down?

THIS IS JUST A EXTRA CREDIT QUESTION FOR MY SON WHO IS IN ELEMENTARY SCHOOL

3 Answers | 0 Votes | Roger from Charlotte, NC 9/25/2012

is 1/5 closer to 0, 1/2 or 1

I want to know how this is rounded.

2 Answers | 0 Votes | Giselle from Hialeah, FL 10/3/2012

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