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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 94 · 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.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 50 cm; turn right 90° }
    How many cm does it drive in all?
  2. 2.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  3. 3.🔁 Why do we use a loop to draw a square? (a) the same steps repeat (b) squares need 5 sides (c) to make it crash (d) loops are colourful
  4. 4.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 30 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 35 cm; turn right ?° }
    What number goes in place of “?”
  6. 6.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  7. 7.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  8. 8.🔁 For a regular shape with n sides, each turn is … (a) 180 degrees always (b) 360 ÷ n degrees (c) n × 360 degrees (d) 90 degrees always
  9. 9.🔁 A drawing robot runs:
    repeat 4 { forward 90 cm; turn right 90° }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  11. 11.🔁 How many sides does a hexagon have? (a) 7 (b) 5 (c) 6 (d) 8
  12. 12.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 5 { forward 20 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) octagon (c) pentagon (d) square
  14. 14.🔁 A drawing robot runs:
    repeat 3 { forward 55 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) octagon (d) square
  15. 15.🔁 A drawing robot runs:
    repeat 6 { forward 80 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) square (d) triangle
  16. 16.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  17. 17.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 360° (c) 720° (d) 180°
  18. 18.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  19. 19.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  20. 20.🔁 A drawing robot runs:
    repeat 8 { forward 65 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) octagon (c) pentagon (d) hexagon
  21. 21.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  22. 22.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 3 { forward 30 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) triangle (c) pentagon (d) octagon
  24. 24.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) octagon (d) pentagon
  27. 27.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  28. 28.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) square (c) hexagon (d) triangle
  29. 29.🔁 A drawing robot runs:
    repeat 5 { forward 80 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) square (d) hexagon
  30. 30.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) square (d) triangle
  31. 31.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) square (c) hexagon (d) triangle
  32. 32.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 45 cm; turn right ?° }
    What number goes in place of “?”
  33. 33.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) pentagon
  35. 35.🔁 A drawing robot runs:
    repeat 3 { forward 90 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) triangle (d) hexagon
  36. 36.🔁 A drawing robot runs:
    repeat 8 { forward 15 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) octagon (d) square
  37. 37.🔁 A drawing robot runs:
    repeat 5 { forward 80 cm; turn right 72° }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 4 { forward 85 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) triangle (d) square
  40. 40.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?

Answer key

  1. 130
  2. 45
  3. the same steps repeat
  4. 600
  5. 60
  6. 90
  7. 72
  8. 360 ÷ n degrees
  9. 360
  10. 300
  11. 6
  12. 80
  13. pentagon
  14. triangle
  15. hexagon
  16. 60
  17. 360°
  18. 500
  19. 90
  20. octagon
  21. 60
  22. 120
  23. triangle
  24. 60
  25. 120
  26. octagon
  27. 120
  28. hexagon
  29. pentagon
  30. triangle
  31. pentagon
  32. 72
  33. 100
  34. square
  35. triangle
  36. octagon
  37. 400
  38. 90
  39. square
  40. 200

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