Acquisition of Biases, The
Social psychologist Mahzarin Banaji explains that prejudice is something that is learned, not something with which we're born. The good news, according to Dr. Banaji, is that we can change our thinking. "It's part of ord..
Adams Presidency, The
Historian Peter Onuf talks about the high points as well as the shortcomings of the John Adams presidency. On the downside, President Adams had to contend with an extremely disloyal Cabinet, consisting largely of holdove..
Addictive Personalities
Dean Hamer, Director of the Gene Structure and Regulation Unit at the National Cancer Institute, talks about so-called "addictive personalities." He explains that the term itself is probably a misnomer, because there is ..
Adding Fractions With the Same Denominator: Adding Fractions With the Same Denominator
This clip explains how to add fractions with the same denominator. It states that the sum will be a fraction with the same denominator as the original one, and a numerator which consists of the original numerators added ..
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 a..
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..
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: 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 f..
Adding Fractions With the Same Denominator: Proper Fractions, Improper Fractions and Mixed Numbers
This clip explains that improper fractions are those in which the numerator is larger than the denominator, while a proper fraction is one whose numerator is less than the denominator. The clip also explains that a mixed..
Adding Fractions With the Same Denominator: Summary: Adding Fractions With the Same Denominator
This clip summarizes adding fractions with the same denominator. It explains that the process can involve improper fractions as well as mixed numbers, and the conversion of mixed numbers to improper fractions and vice-ve..