3rd, 4th and 5th Grade Number Talks. The following resources have been created by Mollie Hall using Number Talks: Helping Children Building Mental Math and Computation Strategies (Parrish, 2010). It is recommended that you begin by reading through the book and also the following article: Number Talk Overview.
anomalies. 1  1 : something different, abnormal, peculiar, or not easily classified : something anomalous They regarded the test results as an anomaly. 2  2 : deviation from the common rule : irregularity. 3  3 : the angular distance of a planet from its perihelion as seen from the sun.
Point outliers. If an individual data point can be considered anomalous with respect to the rest of the data, then the datum is termed as a point outlier. This is the simplest type of outlier and it is the focus of the majority of research on outlier detection.