Illuminations: Let's Compare
Illuminations (National Council of Teachers of Mathematics)

Students collect numerical data, generate graphs, and compare two data sets.

Illuminations: Numerical Data
Illuminations (National Council of Teachers of Mathematics)

In the second lesson of this unit, students pose and refine questions that can be addressed with numerical data.

Illuminations: Comparing Categorical and Numerical Data
Illuminations (National Council of Teachers of Mathematics)

In the final lesson of this unit, students recognize differences in representing and analyzing categorical and numerical data.