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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 287 · 40 questions
TalentJR

Robot tip (Repeat the side): repeat n { forward s; turn right A° } drives n sides: distance = n × s. A closed regular shape needs n × A = 360°, so A = 360 ÷ n. Rectangle: repeat 2 { forward a; turn 90°; forward b; turn 90° } → perimeter 2 × (a + b), area a × b.

NameDateTime takenScore ___ / 40
  1. 1.🔁 Why do we use a loop to draw a square? (a) squares need 5 sides (b) to make it crash (c) loops are colourful (d) the same steps repeat
  2. 2.🔁 How many sides does a hexagon have? (a) 5 (b) 8 (c) 6 (d) 7
  3. 3.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  4. 4.🔁 A drawing robot runs:
    repeat 5 { forward 40 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) pentagon (c) triangle (d) hexagon
  5. 5.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) octagon
  6. 6.🔁 A drawing robot runs:
    repeat 3 { forward 85 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) pentagon
  7. 7.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) octagon (c) hexagon (d) square
  8. 8.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  9. 9.🔁 For a regular shape with n sides, each turn is … (a) 180 degrees always (b) n × 360 degrees (c) 360 ÷ n degrees (d) 90 degrees always
  10. 10.🔁 A drawing robot runs:
    repeat 5 { forward 35 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) square (d) pentagon
  11. 11.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 6 { forward 45 cm; turn right 60° }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 8 { forward 95 cm; turn right 45° }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  16. 16.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  17. 17.🔁 A drawing robot runs:
    repeat 5 { forward 40 cm; turn right 72° }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 3 { forward 35 cm; turn right 120° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  21. 21.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 4 { forward 55 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) square (d) octagon
  23. 23.🔁 A drawing robot runs:
    repeat 5 { forward 45 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) square (d) hexagon
  24. 24.🔁 A drawing robot runs:
    repeat 3 { forward 95 cm; turn right 120° }
    How many cm does it drive in all?
  25. 25.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 180° (b) 360° (c) 90° (d) 720°
  26. 26.🔁 A drawing robot runs:
    repeat 6 { forward 80 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) octagon (d) square
  27. 27.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 5 { forward 85 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) hexagon (d) octagon
  32. 32.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) octagon (c) hexagon (d) triangle
  33. 33.🔁 A drawing robot runs:
    repeat 3 { forward 70 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) hexagon (d) triangle
  34. 34.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 50 cm; turn right 90° }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 3 { forward 70 cm; turn right 120° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) octagon (c) pentagon (d) triangle
  37. 37.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  39. 39.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  40. 40.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 50 cm; turn right ?° }
    What number goes in place of “?”

Answer key

  1. the same steps repeat
  2. 6
  3. 60
  4. pentagon
  5. square
  6. triangle
  7. octagon
  8. 2400
  9. 360 ÷ n degrees
  10. pentagon
  11. 240
  12. 270
  13. 760
  14. 180
  15. 80
  16. 72
  17. 200
  18. 105
  19. 300
  20. 45
  21. 110
  22. square
  23. pentagon
  24. 285
  25. 360°
  26. hexagon
  27. 120
  28. 120
  29. 70
  30. 80
  31. pentagon
  32. triangle
  33. triangle
  34. 200
  35. 210
  36. pentagon
  37. 300
  38. 500
  39. 72
  40. 72

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