Lesson plan

Understand how to locate points on a plane by using intersecting horizontal and vertical number lines

teaches Common Core State Standards CCSS.Math.Content.5.G.A.1 http://corestandards.org/Math/Content/5/G/A/1

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Big Ideas: Lines on a coordinate grid are marked at a consistent interval. Two perpendicular, intersecting number lines can be used to identify the location of points on a plane. This lesson introduces coordinate grids and location of points on a plane. The lesson begins with general location of points on the plane and moves towards specific location of points. In the task, the students use a system of horizontal and vertical roads as a grid to describe the location of points. Students learn that intersecting number lines create a coordinate grid, and that the lines need a consistent interval to describe the distance from the origin. The mathematical concepts in this lesson build towards lessons on graphing points on the coordinate plane using ordered pairs. Vocabulary: plane, number lines, interval, points, coordinate grid, horizontal, vertical, location, origin, intersecting/intersection