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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 42 · 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) the same steps repeat (c) to make it crash (d) loops are colourful
  2. 2.🔁 A drawing robot runs:
    repeat 6 { forward 35 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) square (c) hexagon (d) octagon
  3. 3.🔁 A drawing robot runs:
    repeat 3 { forward 80 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) triangle (d) square
  4. 4.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    How many cm does it drive in all?
  5. 5.🔁 How many sides does a hexagon have? (a) 7 (b) 5 (c) 6 (d) 8
  6. 6.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  7. 7.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  8. 8.🔁 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?
  9. 9.🔁 A drawing robot runs:
    repeat 8 { forward 85 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) square (d) hexagon
  10. 10.🔁 A drawing robot runs:
    repeat 3 { forward 80 cm; turn right 120° }
    How many cm does it drive in all?
  11. 11.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  12. 12.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 85 cm; turn right ?° }
    What number goes in place of “?”
  13. 13.🔁 For a regular shape with n sides, each turn is … (a) 180 degrees always (b) n × 360 degrees (c) 90 degrees always (d) 360 ÷ n degrees
  14. 14.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 3 { forward 55 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) triangle (d) square
  16. 16.🔁 A drawing robot runs:
    repeat 3 { forward 75 cm; turn right 120° }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 3 { forward 50 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) octagon (c) pentagon (d) hexagon
  18. 18.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  20. 20.🔁 A drawing robot runs:
    repeat 8 { forward 10 cm; turn right 45° }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 5 { forward 35 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) square (c) octagon (d) triangle
  22. 22.🔁 A drawing robot runs:
    repeat 4 { forward 45 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) octagon (d) square
  23. 23.🔁 A drawing robot runs:
    repeat 8 { forward 70 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) triangle (d) pentagon
  24. 24.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  25. 25.🔁 A drawing robot runs:
    repeat 5 { forward 65 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) octagon (d) triangle
  26. 26.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 6 { forward 25 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) square (c) pentagon (d) hexagon
  28. 28.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 5 { forward 45 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) pentagon (c) octagon (d) triangle
  30. 30.🔁 A drawing robot runs:
    repeat 8 { forward 60 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) square (c) octagon (d) triangle
  31. 31.🔁 A drawing robot runs:
    repeat 8 { forward 15 cm; turn right 45° }
    How many cm does it drive in all?
  32. 32.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  33. 33.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 85 cm; turn right ?° }
    What number goes in place of “?”
  34. 34.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?
  35. 35.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  36. 36.🔁 A drawing robot runs:
    repeat 5 { forward 20 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) triangle (d) square
  37. 37.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  38. 38.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  40. 40.🔁 A drawing robot runs:
    repeat 8 { forward 75 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) triangle (d) pentagon

Answer key

  1. the same steps repeat
  2. hexagon
  3. triangle
  4. 75
  5. 6
  6. 72
  7. 300
  8. 60
  9. octagon
  10. 240
  11. 90
  12. 90
  13. 360 ÷ n degrees
  14. 120
  15. triangle
  16. 225
  17. triangle
  18. 80
  19. 400
  20. 80
  21. pentagon
  22. square
  23. octagon
  24. 160
  25. pentagon
  26. 100
  27. hexagon
  28. 300
  29. pentagon
  30. octagon
  31. 120
  32. 72
  33. 120
  34. 200
  35. 60
  36. pentagon
  37. 160
  38. 90
  39. 600
  40. octagon

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