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Module 4 · Manhattan Navigation

Lesson 1 · Coordinates on the Grid — Knowledge Checks

Name Date

  1. In the coordinate (2, 3), what does the 2 mean?

    1. A.The column — 2 steps right
    2. B.The row — 2 steps down from the top
    3. C.The total number of steps
    4. D.Nothing — the order is flexible

    Answer Why?

  2. Are (2, 3) and (3, 2) the same position?

    1. A.Yes — same two numbers
    2. B.No — (2,3) is row 2/col 3, and (3,2) is row 3/col 2 — different spots
    3. C.Only on a square grid
    4. D.Yes, if the robot is facing north

    Answer Why?

  3. How many steps from (0, 0) to (3, 2), moving only along grid lines?

    1. A.5
    2. B.6
    3. C.1
    4. D.3

    Answer Why?

  4. The robot is at (1, 2). What position is directly below it (one row down)?

    1. A.(1, 3)
    2. B.(2, 2)
    3. C.(0, 2)
    4. D.(2, 3)

    Answer Why?