# Scientific Notation

There are a variety of resources provide below to enhance your understanding of scientific notation and plenty of opportunities to practice those skills.

• Appendix A (pages A14-A16) in our textbook
• Math Is Fun web page covering Scientific Notation

Khan Academy section with videos and practice problems for Scientific Notation

Khan Academy section with videos and practice problems for calculating numbers using Scientific Notation

Videos to review the concept of scientific notation:

# SI Units of Measure / Dimensional Analysis

There are a variety of resources provide below to enhance your understanding of SI Units of Measure (also called the Metric System) and Dimensional Analysis (also called Unit Conversion), and plenty of opportunities to practice those skills.

• Appendix A (pages A0-A1 for SI Units of Measure, and pages A16-17 for Dimensional Analysis) in our textbook
• Math Is Fun web page covering the Metric System
• Math is Fun web page covering Unit Conversion

Khan Academy section with videos and practice problems for Metric System Unit Conversion

Unit Conversions Gizmo (with guided practice worksheet)

Videos to review the concepts of SI Units of Measure and Dimensional Analysis (with practice problems):

# Ratios and Proportions

There are a variety of resources provide below to enhance your understanding of ratios and proportions, and plenty of opportunities to practice those skills.

• Appendix A (pages A11-A14) in our textbook
• Math Is Fun web page covering Ratios
• Math is Fun web page covering Proportions

Khan Academy section with videos and practice problems for understanding ratios

Khan Academy section with videos and practice problems for understanding proportions

PhET simulation for Ratios and Proportions

Videos to review the concepts of ratios and proportions (with practice problems):

# Averages and Graphing

There are a variety of resources provide below to enhance your understanding of calculating averages (also called the mean) and how to graph, and plenty of opportunities to practice those skills.

• Appendix A (pages A7-A11) in our textbook
• Math Is Fun web page covering Mean
• Math is Fun game for practicing graphing coordinate pairs

Khan Academy section with videos and practice problems for graphing points on a coordinate plane

Khan Academy section with videos and practice problems for calculating the mean

PhET simulation for Graphing Lines

Videos to review the concepts of mean, median, and mode (with practice problems) and a review of graphing coordinate pairs:

# Solving Equations / Order of Operations

There are a variety of resources provide below to enhance your understanding of how to solve equations and how to follow the rules for order of operations, and plenty of opportunities to practice those skills.

• Appendix A (pages A3-A6) in our textbook
• Math Is Fun web page covering Solving Equations
• Math is Fun web page covering Order of Operations

Khan Academy section with videos and practice problems for solving equations

Order of Operations Gizmo with guided practice worksheet

Videos to review the concepts of solving equations (with practice problems) and order of operations:

# Accuracy, Precision, and Significant Digits

There are a variety of resources provide below to enhance your understanding of accuracy, precision, and significant digits (also called significant figures, or SigFigs), and plenty of opportunities to practice those skills.