Here is a number plane.
What object has coordinates $\left(3,6\right)$(3,6)?
Car
Cat
Kite
Bike
What object has coordinates $\left(5,9\right)$(5,9)?
Book
Apple
Burger
Here is a coordinate plane.
locate points in the 4 quadrants of a Cartesian plane; describe changes to the coordinates when a point is moved to a different position in the plane