Need help with basic math? Visit this page to get practice worksheets (and descriptions on how to solve problems) to prepare for the math quiz - Fractions - Decimals - Negative numbers - Addition - Subtraction - Multiplication - Division http://go.hrw.com/hrw.nd/gohrw_rls1/pKeywordResults?HS5%20MW-TOC
Rules and Examples for Determining Significant Figures http://nobel.scas.bcit.ca/chem0010/unit1/1.6_sigFig_3.htm
Significant Figures: Rules and Practice http://www.teacherbridge.org/public/bhs/teachers/Dana/SigFig.html
Significant Figures: Practice Problems: Rounding Calculations Correctly http://www.ualr.edu/rebelford/chem1402/q1402/X1/1-2-math/1-2-math.htm#JUMP_4
Scientific Notation: Multiply, Divide, Add, Subtract and Convert into/out of scientific notation http://janus.astro.umd.edu/cgi-bin/astro/scinote.pl
Help on Area, Perimeter, Surface Area, and Volume - Skip Intro - Click on Lessons - Click on Lessons 12-15 http://www.learnalberta.ca/Launch.aspx?content=%2fcontent%2fmesg%2fhtml%2fmath6web%2fmath6shell.html