This download introduces significant digits (sigfigs) to chemistry or physical science students. It includes:
-Powerpoint (.ppt): This 30-slide presentation introduces why significant figures are important in chemistry, the rules, and several practice problems.
- Worksheet (.doc): 23 practice problems.
- Worksheet Answer Key (.doc)
- Quiz (.doc): Two forms of a 5-question quiz (5-10 minute quiz). Can be given at end of topic.
This is also available as part of my bundled "Chemistry: Intro to Science Unit Bundle" product.

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I am beginning my fourth year of teaching high school science. I have taught biology, AP biology, chemistry, AP chemistry, and semester electives forensics and environmental science
