rounding decimals
Watch the short video for the short-cut:
5 or above, give it a shove |
Why it works!! Decimal numbers on a number line.
You should be able to draw a number line to explain why a decimal is rounded to a certain place. There are two, longer videos for this one. If the first is hard to understand, watch the second one, too. NOw that you've looked at how number lines can be used to round decimals, you can play the games:
Battleship Number Line: Decimals Rounding Numbers Soccer |