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Four-quadrant coordinates, step by step

A grade 5 grid has its corner at the origin and everything on it is positive.

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The question

C=

Point C

0112233445566
  1. Start at the corner where the two lines meet — that is (0, 0), and every reading begins there.
  2. Along the bottom FIRST: count -1 across. Always this one before the other, because until you have gone along you do not know which line to go up.
  3. Then up: count -4. Now the two numbers have been used in the order they are written.
  4. So point C is (-1, -4) — -1 across, then -4 up. (-4, -1) would be a different point altogether.

How it works.

  1. 01

    Start at the corner where the two lines meet — that is (0, 0), and every reading begins there.

  2. 02

    Along the bottom FIRST: count -1 across. Always this one before the other, because until you have gone along you do not know which line to go up.

  3. 03

    Then up: count -4. Now the two numbers have been used in the order they are written.

  4. 04

    So point C is (-1, -4) — -1 across, then -4 up. (-4, -1) would be a different point altogether.

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