A quick, on-the-spot review of ratios, rates, and unit rates.

A quick, on-the-spot review of proportional and nonproportional relationships.

A quick, on-the-spot review of setting up and solving proportions.

A quick, on-the-spot review of using proportions with scale model and map problems.

A quick, on-the-spot review of converting fractions, percents and decimals.

A quick, on-the-spot review of the percent proportion. The problem that they are working on is, "What percent of 4 is 7?"

A quick, on-the-spot review of the percent equation.

A quick, on-the-spot review of percent of change. In this part they state the problem.

Now they work out the problem.