"If the number is 5 or more, then round up!"
If your students are having difficulty with rounding, try this visual to help them understand. The number line is an important element of rounding success! This concrete activity will give students a drawing process to show why a number rounds up.
This PowerPoint has 25 tutorial slides explaining how to draw and use the Rounding Number Line. In addition, 6 practice slides are included and a printable slide/worksheet with answer key.