Rounding decimal numbers

This morning we watched this video in class in order to revise how to round decimals:

Decimals numbers on the number line

The following links will help you to understand better the number line:

http://www.mathsisfun.com/numbers/number-line-zoom.html

https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/decimals-on-number-line-pre-alg/e/decimals_on_the_number_line_1

How to read decimals numbers