Fluid Volume: Practical Problems: Unit Equivalences
This clip includes several practical problems which are solved in part through the use of unit equivalences and the unit cancellation method taught in an earlier lesson.
Changing Fractions to Decimals: Summary: Changing Fractions to Decimals
This clip begins by reminding the student that it's important to be able to change back and forth between decimals and fractions. It then talks about how we change from decimals to fractions, reminding the student that, "
all we do is rewrite (the ...
Changing Fractions to Decimals: Getting Used to Working With Fractions Converted to Decimals
This clip provides a problem in which the student is asked to change a fraction to its decimal form. The clip also notes that, "
it's a good idea to learn the decimal equivalents of the fractions we work with most often: one-half, one-third, and so...
The Meaning of Percentage: Changing Fractions to Percents and Percents to Fractions
This clip explains that the easiest way to understand percent is to think of it as a proportion. The clip notes that this allows us to change fractions to decimals, and provides examples of how this is done. The clip then reverses the process and ex...
Adding Fractions With the Same Denominator: Changing Improper Fractions to Mixed Numbers
This clip explains the procedure of changing improper fractions to mixed numbers. It also provides a shortcut for this operation: dividing the numerator of the improper fraction by the denominator.
Adding Fractions With the Same Denominator: Adding Mixed Numbers
This clip explains how to add mixed numbers. One method is to add the whole numbers and the fractions separately and combine the results. Another approach is to convert the mixed numbers to improper fractions, then add as usual, and then change the ...
Adding Fractions With the Same Denominator: Adding More Than Two Fractions
This clip explains that adding more than two fractions with the same denominator is a two-step process. The first step is adding the numerators; the second step is converting the improper fraction that results to a mixed number.
Adding Fractions With the Same Denominator: Changing Mixed Numbers to Improper Fractions
This clip explains that we have to change a mixed number to an improper fraction whenever we want to add, subtract, multiply or divide fractions. The clip then provides a shortcut for changing mixed numbers to improper fractions.
Weight and Temperature: Converting Between Metric and U.S. Customary Systems
This clip explains how to convert units of weight between the U.S. Customary System and the Metric System, using both the unit cancellation and decimal methods. "Converting between the two systems means that we'll be working with two sets of equival...
Weight and Temperature: Fahrenheit and Celsius: Practical Problems
This clip provides practical problems that are solved by applying the formulas for converting between Fahrenheit and Celsius.