Addition of Whole Numbers, Part I: Basics of Addition, The
This clip explains that the basic idea behind adding whole numbers is combining smaller groups--called addends--to form a larger one--known as the sum.
Mean, Median and Mode: Determining Which Statistic is the Best Measure of a Data Set
This clip examines how the mean, median and mode can each tell a different story about the same set of data. As an example, the clip looks at the number of newspapers sold at a convenience store on seven consecutive days, and asks whether the mean, ...
Mean, Median and Mode: Effects of Outliers on Mean
This clip defines and offers examples of outliers and explains the impact they can have on the mean. "The median can be a better statistic to use when the data set includes outliers," the clip explains.
Mean, Median and Mode: Shortcut for Handling Larger Data Sets, A
This clip explains that many real-life applications of statistics use very large data sets. "Since there are so many values," the clip states, "Â…and some of the values appear more than once, we'll group the data in a table." The clip concludes by n...
Mean, Median and Mode: Using Statistics to Support Certain Viewpoints
This clip presents two examples showing how data can be skewed by advocates looking to make a particular point, simply by choosing to use (or not use) the mean, median or mode in analyzing a data set.
Mean, Median and Mode: Mean
This clip explains that the mean is the most common statistical measurement: the arithmetic average. "It is the sum of all the values, divided by the number of values in the data set," the clip states. The clip also includes two examples of how the ...
Mean, Median and Mode: Mean: Practical Problems
This clip uses test scores to illustrate how the mean value can be determined and then utilized to set goals for future test results.
Compound Denominate Numbers: Summary: Compound Denominate Numbers
This clip reviews the key points involved in adding, subtracting, multiplying and dividing compound denominate numbers. Some of the topics covered include unit conversion to largest possible unit (adding), borrowing (subtraction), converting to the ...
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 number is one which combines...
Adding Signed Numbers: Pairs of Numbers Whose Sum is Zero
This clip explains that any time we add 2 numbers with the same absolute value, but opposite signs, their sum will be zero.