In this lesson, students answer how many questions to 5 in linear …

In this lesson, students answer how many questions to 5 in linear configurations (5-group) with 4 in an array configuration and compare ways to count 5 fingers.

In this lesson, students characterize the mean in the sense of a …

In this lesson, students characterize the mean in the sense of a balance point, and calculate the distances, called deviations, of the data points from the mean.

In this lesson,students justify properties of inequalities that are denoted by < …

In this lesson,students justify properties of inequalities that are denoted by < (less than), ? (less than or equal to), > (greater than), and ? (greater than or equal to).

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