Robotics Worksheet: Robot State

Robotics lesson 25: The state of a robot · Set 13 · 40 questions

Robot tip (Trace and write): Set (=) replaces the value; + adds; − takes away. Write the value after every line; the last change is the answer. In a loop, multiply: repeat 10 { 3% } uses 30%.

1. 1.📋 A robot program runs:
   speed = 40
   speed = speed + 5
   speed = speed − 10
   speed = 60
   What is the speed at the end?
2. 2.📋 A warehouse robot starts with an empty tray and runs:
   pick up 1 box
   pick up 4 boxes
   pick up 2 boxes
   pick up 2 boxes
   How many boxes are on its tray at the end?
3. 3.📋 What does “speed = speed + 10” do? (a) takes 10 away (b) adds 10 to the speed (c) stops the robot (d) sets speed to 10
4. 4.📋 A warehouse robot starts with an empty tray and runs:
   pick up 3 boxes
   put down 2 boxes
   pick up 2 boxes
   pick up 4 boxes
   How many boxes are on its tray at the end?
5. 5.📋 A robot program runs:
   speed = 30
   speed = speed − 5
   speed = 40
   speed = speed − 5
   speed = speed − 15
   What is the speed at the end?
6. 6.📋 A warehouse robot starts with an empty tray and runs:
   pick up 3 boxes
   pick up 4 boxes
   put down 4 boxes
   pick up 2 boxes
   pick up 3 boxes
   How many boxes are on its tray at the end?
7. 7.📋 A robot’s battery is at 100%. Each “forward 10 cm” uses 4% and each turn uses 2%. It runs:
   repeat 8 { forward 10 cm; turn right 90° }
   What is the battery level at the end (in %)?
8. 8.📋 A warehouse robot starts with an empty tray and runs:
   pick up 4 boxes
   pick up 2 boxes
   put down 3 boxes
   How many boxes are on its tray at the end?
9. 9.📋 A warehouse robot starts with an empty tray and runs:
   pick up 4 boxes
   put down 4 boxes
   pick up 1 box
   pick up 4 boxes
   How many boxes are on its tray at the end?
10. 10.📋 A robot’s battery is at 100%. Each “forward 10 cm” uses 2% and each turn uses 1%. It runs:
    repeat 8 { forward 10 cm; turn right 90° }
    What is the battery level at the end (in %)?
11. 11.📋 A robot starts on the start line of a straight track and runs:
    forward 45 cm
    back 25 cm
    forward 20 cm
    forward 30 cm
    How many cm in front of the start line is it now?
12. 12.📋 A robot’s battery is at 100%. Each “forward 10 cm” uses 1% and each turn uses 1%. It runs:
    repeat 7 { forward 10 cm; turn right 90° }
    What is the battery level at the end (in %)?
13. 13.📋 A robot’s battery is at 100%. Each “forward 10 cm” uses 2% and each turn uses 2%. It runs:
    repeat 5 { forward 10 cm; turn right 90° }
    What is the battery level at the end (in %)?
14. 14.📋 The “state” of a robot means … (a) its box size (b) its paint colour (c) its values right now (d) its price
15. 15.📋 A robot’s battery is at 100%. Each “forward 10 cm” uses 3% and each turn uses 2%. It runs:
    repeat 9 { forward 10 cm; turn right 90° }
    What is the battery level at the end (in %)?
16. 16.📋 A robot starts on the start line of a straight track and runs:
    forward 15 cm
    forward 40 cm
    forward 35 cm
    How many cm in front of the start line is it now?
17. 17.📋 A robot starts on the start line of a straight track and runs:
    forward 5 cm
    forward 30 cm
    forward 10 cm
    How many cm in front of the start line is it now?
18. 18.📋 A program says “speed = 30” and then “speed = 50”. What is the speed? (a) 80 (b) 30 (c) 50 (d) 20
19. 19.📋 A robot program runs:
    speed = 50
    speed = speed − 15
    speed = speed + 20
    What is the speed at the end?
20. 20.📋 A robot program runs:
    speed = 30
    speed = 50
    speed = 40
    speed = speed + 5
    What is the speed at the end?
21. 21.📋 A robot starts on the start line of a straight track and runs:
    forward 35 cm
    back 5 cm
    forward 45 cm
    forward 20 cm
    back 10 cm
    How many cm in front of the start line is it now?
22. 22.📋 A robot starts on the start line of a straight track and runs:
    forward 30 cm
    forward 20 cm
    forward 25 cm
    How many cm in front of the start line is it now?
23. 23.📋 A warehouse robot starts with an empty tray and runs:
    pick up 1 box
    pick up 1 box
    pick up 3 boxes
    pick up 1 box
    pick up 1 box
    How many boxes are on its tray at the end?
24. 24.📋 A robot starts on the start line of a straight track and runs:
    forward 40 cm
    forward 5 cm
    forward 10 cm
    How many cm in front of the start line is it now?
25. 25.📋 A robot program runs:
    speed = 40
    speed = speed + 15
    speed = speed + 20
    What is the speed at the end?
26. 26.📋 A robot’s battery is at 100%. Each “forward 10 cm” uses 1% and each turn uses 2%. It runs:
    repeat 9 { forward 10 cm; turn right 90° }
    What is the battery level at the end (in %)?
27. 27.📋 A warehouse robot starts with an empty tray and runs:
    pick up 4 boxes
    pick up 4 boxes
    put down 4 boxes
    put down 4 boxes
    How many boxes are on its tray at the end?
28. 28.📋 A robot’s battery is at 100%. Each “forward 10 cm” uses 3% and each turn uses 2%. It runs:
    repeat 7 { forward 10 cm; turn right 90° }
    What is the battery level at the end (in %)?
29. 29.📋 A robot program runs:
    speed = 40
    speed = speed + 10
    speed = speed − 5
    What is the speed at the end?
30. 30.📋 A robot program runs:
    speed = 20
    speed = speed + 10
    speed = speed − 15
    speed = speed − 5
    speed = speed − 5
    What is the speed at the end?
31. 31.📋 A robot starts on the start line of a straight track and runs:
    forward 5 cm
    forward 25 cm
    back 10 cm
    back 10 cm
    forward 15 cm
    How many cm in front of the start line is it now?
32. 32.📋 A robot’s battery is at 100%. Each “forward 10 cm” uses 3% and each turn uses 1%. It runs:
    repeat 2 { forward 10 cm; turn right 90° }
    What is the battery level at the end (in %)?
33. 33.📋 A robot’s battery is at 100%. Each “forward 10 cm” uses 1% and each turn uses 1%. It runs:
    repeat 9 { forward 10 cm; turn right 90° }
    What is the battery level at the end (in %)?
34. 34.📋 A robot starts on the start line of a straight track and runs:
    forward 10 cm
    forward 30 cm
    forward 30 cm
    How many cm in front of the start line is it now?
35. 35.📋 A robot’s battery is at 100%. Each “forward 10 cm” uses 1% and each turn uses 2%. It runs:
    repeat 2 { forward 10 cm; turn right 90° }
    What is the battery level at the end (in %)?
36. 36.📋 A robot program runs:
    speed = 30
    speed = 60
    speed = speed − 15
    speed = speed + 15
    What is the speed at the end?
37. 37.📋 A robot’s battery is at 100%. Each “forward 10 cm” uses 2% and each turn uses 2%. It runs:
    repeat 8 { forward 10 cm; turn right 90° }
    What is the battery level at the end (in %)?
38. 38.📋 A warehouse robot starts with an empty tray and runs:
    pick up 3 boxes
    put down 3 boxes
    pick up 1 box
    pick up 1 box
    pick up 3 boxes
    How many boxes are on its tray at the end?
39. 39.📋 A robot program runs:
    speed = 30
    speed = 30
    speed = speed − 15
    speed = 20
    speed = 60
    What is the speed at the end?
40. 40.📋 A robot starts on the start line of a straight track and runs:
    forward 35 cm
    forward 5 cm
    forward 30 cm
    How many cm in front of the start line is it now?

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