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📍 Plotting Points on a Grid

Learn to read and plot points on a grid using across-then-up coordinates, all in the first quadrant.

3
lessons
~20 min
to learn
🔢 Math
subject
Ages 6–12
level
Start the course →

What you’ll learn

  1. Meet the GridName the across line, the up line, and the origin, and learn the across-then-up rule.A grid is made of two crossing lines: the x-axis goes across and the y-axis goes up. They meet at the origin, (0, 0). The across line is just a number line lying flat. The golden rule for every point is to read the across number first, then the up number.
  2. Reading PointsRead a coordinate pair as a number of steps across and then up.A coordinate pair is a code with two numbers. The first is how far to go across, and the second is how far to go up. So (3, 2) means 3 across and 2 up. Maps and games use these codes to point to an exact spot.
  3. Plotting PointsPlot a given coordinate by starting at the origin, moving across, then up.To plot a point, start at the origin, count across for the first number, then up for the second, and draw a dot. Points with an up number of 0 sit on the bottom line, and points with an across number of 0 sit on the left line.

Questions this course answers

What is the name of the point (0, 0), where the two lines cross?

The corner where the across and up lines meet is called the origin — the point (0, 0).

When reading a point like (3, 2), which number do you use first?

Always read the across number first, then the up number — across before up.

The point (3, 2) means…

The first number is across and the second is up, so (3, 2) is 3 across and 2 up.

Where is the point (5, 0)?

The across number is 5 and the up number is 0, so it sits on the bottom line, 5 steps to the right.

To plot (4, 1), after starting at the origin you…

Across first: go 4 across, then up 1 to reach (4, 1).

The point (0, 3) sits on which line?

The across number is 0, so it stays on the left line, 3 steps up.

Grounded in trusted sources

  • Khan Academy Kids
  • BBC Bitesize — KS2 Maths
  • NRICH — University of Cambridge
  • Britannica Kids

Every Wunder lesson is built from real, reputable sources — never invented.

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