The main facets of algebra, according to the National Council of Teachers of Mathematics, are (1) “understand patterns, relations, and functions,” (2) “represent and analyze mathematical situations and structures using algebraic symbols,” and (3)“use mathematical models to represent and understand quantitative relationships” (NCTM, 2000, p. 37).

In our data-driven world, it is critical that teachers be able to confidently guide their students to understand how to collect, display, and interpret data. We have followed the Guidelines for the Statistical Education of Teachers from the American Statistical Association in the statistics topics below.