Rounding up a number always results in a figure that is equal to or larger than the original number. As an example, if you were computing the number of employees you needed to accomplish a project, ...

Use place value cards to practice rounding numbers to the nearest ten and hundred. Warm up with a Mystery Math Mistake to hunt for the mistake made counting up on the number line. Use place value ...

Editor's Note: I just thought I should mention that there's an ongoing, ever-evolving, and dramatically different presentation of this topic entitled Rounding 101 on my personal website. We'll start ...

When you do not need to speak or write about exact quantities or measures, learning to round numbers to 10, 100 or 1,000 can be useful. It can make calculations easier and it also helps when you are ...