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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 29 · 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.🔁 How many sides does a hexagon have? (a) 8 (b) 5 (c) 7 (d) 6
  2. 2.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  4. 4.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  5. 5.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  6. 6.🔁 A drawing robot runs:
    repeat 6 { forward 45 cm; turn right 60° }
    How many cm does it drive in all?
  7. 7.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  8. 8.🔁 A drawing robot runs:
    repeat 4 { forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 3 { forward 20 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) square (c) triangle (d) octagon
  10. 10.🔁 A drawing robot runs:
    repeat 3 { forward 10 cm; turn right 120° }
    How many cm does it drive in all?
  11. 11.🔁 A drawing robot runs:
    repeat 3 { forward 85 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) square (d) pentagon
  12. 12.🔁 A drawing robot runs:
    repeat 3 { forward 60 cm; turn right 120° }
    How many cm does it drive in all?
  13. 13.🔁 Why do we use a loop to draw a square? (a) to make it crash (b) loops are colourful (c) the same steps repeat (d) squares need 5 sides
  14. 14.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  15. 15.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  16. 16.🔁 A drawing robot runs:
    repeat 4 { forward 50 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) square (d) pentagon
  17. 17.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    Which shape does it draw?     (a) octagon (b) square (c) pentagon (d) hexagon
  18. 18.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 5 { forward 75 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) square (d) pentagon
  20. 20.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 6 { forward 45 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) octagon (d) pentagon
  23. 23.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) square (d) triangle
  24. 24.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 5 { forward 85 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) octagon (d) pentagon
  27. 27.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) octagon (d) square
  28. 28.🔁 A drawing robot runs:
    repeat 3 { forward 80 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) pentagon (c) hexagon (d) triangle
  29. 29.🔁 A drawing robot runs:
    repeat 4 { forward 65 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) triangle (c) pentagon (d) octagon
  30. 30.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 4 { forward 100 cm; turn right 90° }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 5 { forward 20 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) octagon (c) pentagon (d) triangle
  33. 33.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 8 { forward 85 cm; turn right 45° }
    How many cm does it drive in all?
  35. 35.🔁 For a regular shape with n sides, each turn is … (a) 180 degrees always (b) 90 degrees always (c) 360 ÷ n degrees (d) n × 360 degrees
  36. 36.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  37. 37.🔁 A drawing robot runs:
    repeat 6 { forward 70 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) square (c) hexagon (d) pentagon
  38. 38.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  39. 39.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  40. 40.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 360° (c) 180° (d) 720°

Answer key

  1. 6
  2. 240
  3. 600
  4. 240
  5. 160
  6. 270
  7. 80
  8. 180
  9. triangle
  10. 30
  11. triangle
  12. 180
  13. the same steps repeat
  14. 200
  15. 120
  16. square
  17. hexagon
  18. 240
  19. pentagon
  20. 160
  21. 400
  22. hexagon
  23. square
  24. 120
  25. 130
  26. pentagon
  27. triangle
  28. triangle
  29. square
  30. 360
  31. 400
  32. pentagon
  33. 400
  34. 680
  35. 360 ÷ n degrees
  36. 72
  37. hexagon
  38. 60
  39. 60
  40. 360°

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