Use this Guided Notes document, in either Google Sheets online form or printable PDF, to help introduce your students to the coordinate plane. The coordinate plane includes both horizontal and vertical number lines, which we’ve already studied. It gives us an opportunity to plot points with two values, such as (5, 1.) (5, 1), of course, would be plotted with an x-value of 5 and a y-value of 1; that is, 5 to the right and one above the origin, the point where the x axis and y axis meet. You