This math topic focuses on identifying the y-coordinate values of specific points marked on vertical number lines within a Cartesian grid. It practices the skill of accurately reading and interpreting y-coordinates by asking students to select the correct value of 'y' for a given point labeled 'A' on different number lines. Each question presents a visual image of a vertical number line with marked points and multiple choice answers. The topic falls under the broader category of Cartesian Grid Foundations, advancing skills in spatial reasoning related to vertical positioning on Cartesian grids.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.