Working with ratios, rates, proportions, and units

By the end you’ll be able to

• Calculate and interpret ratios and rates, including unit rates, from verbal, tabular, graphical, and algebraic information.
• Apply proportional relationships to solve single-step and multistep problems, including finding unknown values in equivalent ratios and proportions.
• Convert measurements within and across systems of units using conversion factors, and track units through calculations to determine whether results are reasonable.