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Understanding the Basic Coordinate Plane
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What you will learn from this videoWhat you will learn
- We’ll learn the basics of the coordinate plane.
- We'll also learn how to plot points on a coordinate plane using ordered pairs.
- And we'll see that that this knowledge can help us visit an amusement park, find buried treasure, and travel the world.
- Discussion Questions
Before Video
How is graph paper helpful in working with maps? ANSWERThe grid helps to determine location.
A line that runs right to left or back and forth.
A line that runs up and down.
Values in two dimensions give more precise location information than just one value.
The number 0.
After Video
Why does the order in an ordered pair matter?ANSWERIt tells me that first I need to 'go right x units and then up y units.' If I 'go right y units and then up x units,' this is a completely different location.
The x-coordinate.
The y-coordinate.
The origin.
It helps us to see patterns and trends.
- Vocabulary
- Coordinate Plane DEFINE
A two-dimensional number line where the vertical line is called the y-axis and the horizontal is called the x-axis.
- Coordinate Grid DEFINE
A grid that is used to locate points using an ordered pair of numbers.
- x-axis DEFINE
The number line that is horizontal on a coordinate grid.
- y-axis DEFINE
The number line that is vertical on a coordinate grid.
- Origin DEFINE
The point where the two axes of a coordinate grid intersect; the point represented by the ordered pair (0, 0).
- Ordered Pairs DEFINE
A pair of numbers used to locate a point on a coordinate grid.
- x-coordinate DEFINE
The first number in an ordered pair, which names the distance to the right or left from the origin along the x-axis.
- y-coordinate DEFINE
The second number in an ordered pair, which names the distance up or down from the origin along the y-axis.
- Coordinate Plane DEFINE
- Reading Material
- Practice Word Problems
- Practice Number Problems
- Lesson Plan
- Teacher Guide