matt Teachout
College of the Canyons Math Department
College of the Canyons
Canyon Country Campus
17200 Sierra Highway
Santa Clarita, CA 91351
(661) 362-3800
College of the Canyons
Valencia Campus
26455 Rockwell canyon road
Santa Clarita, CA 91355
(661) 259-7800
Math 058 & Math 059 Pre-Algebra
Preparation for Algebra and Stats (3rd Edition)
Chapter 2 Formulas and Decimals(whole 2nd chapter pdf, pages 25-58)
Section 2A – Rounding, Comparing, Adding and
Subtracting Decimals (pages 25-30)
Section 2B – Formulas with Exponents and Multiplying Decimals (pages 31-33)
Section 2C – Formulas with Dividing Decimals (pages 34-38)
Section 2D – Important Application – Scientific Notation (pages 39-41)
Section 2E – Significant Figures and Rules for Rounding (pages 42-45)
Section 2F – Estimating Square Roots and Order of Operations
with Decimals (pages 46-49)
Section 2G – Basic Statistic Calculations – Mean, Median and Range (pages 50-54)
Chapter 2 Review Sheet (pages 55-58)
Chapter 2 Answer Key (Selected Answers from Chapter 2,
Appendix pages 271-273)