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 represent composition and decomposition of numbers to 5 using pictorial and numeric number bonds.
In this lesson, students learn to calculate the mean and to understand the define the “fair share” interpretation of the mean.
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 < (less than), ? (less than or equal to), > (greater than), and ? (greater than or equal to).