In this page we will identify the significant and insignificant digits in a number, round numbers to a certain amount of significant digits, and perform operations (add, subtract, multiply, and divide) with significant figures.
Significant Figures
Khan Academy has a great playlist of videos explaining significant figures and how to do calculations with them. This is a good place to start, click the image below to link to the playlist.
What is and is not Significant?
Click the button below to link to a website that explains the rules (with 3 rules instead of 4) and gives some practice problems: