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Module 1 · Learning to Drive

Lesson 2 · Drawing Shapes — Knowledge Checks

Name Date

  1. Your program is Straight 20, then Turn 90. After it runs, how has the robot changed from where it started?

    1. A.It is in the same spot, facing the same way
    2. B.It has moved 20 cm forward and is now facing a quarter-turn from where it started
    3. C.It has turned but not moved
    4. D.It has driven in a full circle

    Answer Why?

  2. In the eight-block square, what is being repeated, and how many times?

    1. A.The Straight block, eight times
    2. B.The pair Straight-then-Turn, four times
    3. C.The Turn block, eight times
    4. D.Nothing is repeated

    Answer Why?

  3. A student's Repeat-4 program makes the robot drive one side and then stop. What's the most likely problem?

    1. A.The robot is out of battery
    2. B.The Straight and Turn blocks are next to the Repeat instead of inside it
    3. C.Repeat only works with Turn blocks
    4. D.The number 4 is too small

    Answer Why?

  4. A classmate's triangle isn't closing up — the robot ends facing the wrong way. They used Turn 60°. What should it be?

    1. A.90°
    2. B.120°
    3. C.30°
    4. D.45°

    Answer Why?

  5. What turn angle do you need to draw a regular hexagon (6 sides)?

    1. A.90°
    2. B.60°
    3. C.120°
    4. D.45°

    Answer Why?

  6. You change a working square program from Repeat 4 to Repeat 6, and set the turn to 60°. What does the robot draw?

    1. A.A bigger square
    2. B.A hexagon (6 sides)
    3. C.The same square, slower
    4. D.An incomplete shape

    Answer Why?