- Maths Help
- AlgebraToggle Dropdown
- Decimals
- Place value
- Comparing and ordering decimals
- Rounding to a place
- Significant figures
- Standard form and engineering notation
- Adding decimals
- Subtracting decimals
- Multiplying decimals
- Dividing decimals
- Converting decimals to fractions
- Converting decimals to percents
- Converting between decimals, fractions and percents
- Ordering decimals, fractions and percents

- FractionsToggle Dropdown
- Understanding fractions
- Simplifying (reducing) fractions
- Equivalent fractions
- Comparing fractions
- Ordering fractions
- Mixed numbers and improper fractions
- Adding fractions
- Subtracting fractions
- Adding and subtracting mixed numbers
- Multiplying fractions
- Dividing fractions
- Multiplying and dividing mixed numbers
- Converting fractions to decimals
- Converting fractions to percents
- Converting between fractions, decimals and percents
- Ordering fractions, decimals and percents

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- Metric units of measure
- Perimeter of squares, rectangles and triangles
- Circumference of circles
- Area of squares, rectangles and triangles
- Area of circles
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- Volume of cubes, cuboids and triangular prisms
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In this module, you can study how to round numbers to a whole number place or to a decimal place.

The video above shows you how to round whole numbers.

The video above shows you how to round numbers to the right of the decimal place.

If you're asked to round off an answer, you wait till you've calculated the answer, THEN you round.

- Study rounding decimal numbersRead about rounding decimal numbers at mathsisfun.com and take a self-quiz at the end.
- Download a rounding worksheet (whole numbers)Design and print a worksheet of whole number rounding problems at math-aids.com. (Answers included!)
- Download a rounding worksheet (with decimal digits)Design and print a worksheet of rounding problems (with decimal digits) at math-aids.com.Design and print a worksheet of rounding problems (to the nearest decimal digit) at math-aids.com.
- Quiz yourself on rounding of whole numbersTest your understanding of rounding at onlinemathlearning.com.
- Quiz yourself on rounding to a decimal placeCheck your understanding of decimal rounding with this quiz from onlinemathlearning.com.

Use these search terms to find additional resources:

*rounding decimal numbersrounding off numbers*