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**In this module, you can ****study what a significant figure is and how to round numbers to a significant figure.**

Directions: Use any combination of the resources below in any order you wish or click here for detailed instructions.

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- Read about significant figures and roundingRead about significant figures (called significant digits on this website) and rounding at purplemath.com.

The number of significant figures in a number is not necessarily the same as the number of decimal places. The number ".1503" has four significant figures, while this number ".00932" has only three.

**Study and practice**

- Download a significant figure rules sheetPrint a sheet of rules for finding significant figures.
- Download a significant figure workhseetDesign and print a worksheet for identifying significant figures at math-aids.com.
- Quiz yourself on significant figuresQuiz yourself on significant figures with this fifteen-question quiz.

Use these search terms to find additional resources:

*significant figuresignificant digitround to significant figure*