Rounding means making a number simpler but keeping its value close to what it was. The result is less accurate, but easier to use.The resources on this page will help you learn rounding decimals and practice round decimals problems.
The apps, sample questions, videos and worksheets listed below will help you learn Round decimals.
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Here’s the general rule for rounding:
If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up. Example: 38 rounded to the nearest ten is 40. …
If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down. Example: 33 rounded to the nearest ten is 30.
To round numbers to the nearest thousand, make the numbers whose last three digits are 001 through 499 into the next lower number that ends in 000. For example, 6424 rounded to the nearest thousand is 6000. Numbers that have the last three digits of 500 or more should be rounded up to the next even thousand.
The hundredths place is two moves from the right of the decimal point. To round to the nearest hundredth, we use the thousandths place to determine whether the hundredths place rounds up or stays the same. If it is 5 or above, we give it a shove. If it is 4 or below, we let it go.
