**Tutorials**

- Scientific Notation
- Significant Figure Rules
- Rules for Rounding Off
- Density (10) (15) (25)
- Math with Significant Figures
- Math with Scientific Notation

**Problem Sets**

There may be differences between the worksheet copies and the copies with the answers listed. That's because I used some older worksheets with the answers already done with the answers. Someday I hope to reconcile them.

**Videos**

- Determine the volume of displaced water
- Calculate the radius of a cylinder of aluminum
- Calculate the radius of a sphere of aluminum
- Determine the proof of an alcoholic beverage
- A problem using two simultaneous equations in two unknowns
- Determine the density using a pycnometer

**Links**

Metric System and Conversions Menu

**Miscellaneous**