Background Tutorials

• Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.

  • • 

    What is a Line Segment?

    A math term can really tell you a lot about the thing it's describing. Take the term line segment. A line segment is just part of a line! In this tutorial, learn about line segments, how to name them, and what the midpoint of a line segment is!

• Display numerical data in plots on a number line, including dot plots, histograms, and box plots.

  • • 

    What is Numerical, or Quantitative, Data?

    Numerical data looks at amounts or quantities. This popular type of data is used all the time, so it's important to know all about it! This tutorial looks at numerical data.