Unit+2+-+Using+Numbers+and+Organizing+Data

__Lesson 2-2__
Finding Equivalent names using a name collection box.



__Lesson 2-5 and 2-6__ Maximum - The greatest number in a set of data. Minimum - The smallest number in a set of data. Range - The difference between the maximum and minimum in a set of data. Mode - The value or values that occur most often in a set of data. Median - The middle value in a set of data when the data is listed from smallest to largest, or from largest to smallest. If there are an even number of data points, the median is the mean of the two middle values. Mean - The sum of a set of numbers divided by the number of numbers in the set. The mean is often referred to as the average.

__Lesson 2-7__
Partial Sums
 * Addition Algorithms**

Column Addition

In class demonstrations -