Mathematics
Algebra
Procedural
11–12 yrs
Coordinates (age 11+)
坐标（11岁以上）
Description
Plot and read coordinates in all four quadrants of the Cartesian plane, using positive and negative x- and y-values to describe positions precisely
Mastery Evidence
- Plot points with negative coordinates accurately in all four quadrants
- Identify the quadrant a point belongs to from its coordinate signs
- Read coordinates from a graph including fractional and negative values
Assessment Prompt
Can your child plot a point like (−3, 4) correctly on a coordinate grid and read the coordinates of points in all four quadrants, including negative numbers?
