1. Significant Figures

2. Why use significant figures? Click on the graphic to read a story that shows the importance of understanding significant figures.

3. Significant Figures Note: A significant figure is any digit of a number that is known with certainty.

4. Measuring with Significant Figures Note: When making a measurement in lab, the last digit is always an estimate. Example 1: The volume of the liquid in the graduated cylinder is ________ mL Example 2: The object has a length of _________ cm.

5. Significant Figure Rules Click on the graphic below. Read the information. Take Cornell Notes.

6. Lets Check 4 Understanding

7. Practice Click on the graphic below to practice making measurements to the correct number of significant figures. Complete 5 problems correctly and move on.

8. Practice Determining Significant Figures Click on the graphic below to practice determining how many significant figures are in a number.

9. Practice Calculating with Significant Figures Click on the graphic below to practice calculating sums, differences, products, and quotients to the correct number of significant figures. Complete 5 problems correctly and move on.

10. Quiz Time! Click on the graphic to take a significant figures quiz. After you submit your answers, check them and record your score on the Cornell Notes. If time permits: At the end of the answers, click on “Take another randomly generated quiz.” Record your score.