## Unit 1: Numbers and Algebra

1-1 Place Value and Rounding

1-1 Place Value and Rounding ANS KEY

1-2 Rounding to Decimal Places

1-2 Rounding to Decimal Places ANS KEY

1-3 Significant Figures

1-3 Significant Figures ANS KEY

1-4 Scientific Notation

1-4 Scientific Notation ANS KEY

1-5 Practice with Rounding, Significant Figures and Scientific Notation

1-5 Practice with Rounding, Significant Figures and Scientific Notation ANS KEY

1-6 Quiz

1-7 Unit Conversion

1-7 Unit Conversion ANS KEY

1-8 Percentage Error

1-8 Percentage Error ANS KEY

1-9 Unit 1 Practice Test

1-9 Practice Test ANS KEY

1-9 Unit 1 Review Sheet

1-9 Unit 1 Review Sheet ANS KEY