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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 35 · 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.🔁 For a regular shape with n sides, each turn is … (a) 90 degrees always (b) n × 360 degrees (c) 360 ÷ n degrees (d) 180 degrees always
  2. 2.🔁 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
  3. 3.🔁 A drawing robot runs:
    repeat 3 { forward 100 cm; turn right 120° }
    How many cm does it drive in all?
  4. 4.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  5. 5.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  6. 6.🔁 A drawing robot runs:
    repeat 5 { forward 70 cm; turn right 72° }
    How many cm does it drive in all?
  7. 7.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 50 cm; turn right ?° }
    What number goes in place of “?”
  8. 8.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 4 { forward 15 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) hexagon
  10. 10.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  11. 11.🔁 A drawing robot runs:
    repeat 5 { forward 50 cm; turn right 72° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  14. 14.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) octagon
  15. 15.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 8 { forward 50 cm; turn right 45° }
    How many cm does it drive in all?
  17. 17.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  18. 18.🔁 How many sides does a hexagon have? (a) 6 (b) 8 (c) 7 (d) 5
  19. 19.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 3 { forward 70 cm; turn right 120° }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 4 { forward 50 cm; turn right 90° }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 5 { forward 25 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) square (c) octagon (d) pentagon
  24. 24.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  25. 25.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  26. 26.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  27. 27.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 8 { forward 50 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) pentagon
  33. 33.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  34. 34.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 180° (b) 90° (c) 720° (d) 360°
  35. 35.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 50 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  38. 38.🔁 A drawing robot runs:
    repeat 4 { forward 95 cm; turn right 90° }
    How many cm does it drive in all?
  39. 39.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  40. 40.🔁 A drawing robot runs:
    repeat 5 { forward 20 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) triangle (d) square

Answer key

  1. 360 ÷ n degrees
  2. the same steps repeat
  3. 300
  4. 130
  5. 60
  6. 350
  7. 45
  8. 80
  9. square
  10. 600
  11. 250
  12. 50
  13. 200
  14. square
  15. 60
  16. 400
  17. 72
  18. 6
  19. 40
  20. 300
  21. 210
  22. 200
  23. pentagon
  24. 400
  25. 72
  26. 100
  27. 140
  28. 130
  29. 45
  30. 60
  31. 140
  32. octagon
  33. 500
  34. 360°
  35. 120
  36. 120
  37. 750
  38. 380
  39. 60
  40. pentagon

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