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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 175 · 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 5 { forward 80 cm; turn right 72° }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  4. 4.🔁 Why do we use a loop to draw a square? (a) to make it crash (b) the same steps repeat (c) squares need 5 sides (d) loops are colourful
  5. 5.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) octagon (c) triangle (d) pentagon
  6. 6.🔁 A drawing robot runs:
    repeat 3 { forward 85 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) square (c) hexagon (d) octagon
  7. 7.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 10 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) n × 360 degrees (c) 360 ÷ n degrees (d) 90 degrees always
  9. 9.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  11. 11.🔁 A drawing robot runs:
    repeat 6 { forward 70 cm; turn right 60° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 6 { forward 15 cm; turn right 60° }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  15. 15.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 10 cm; turn right ?° }
    What number goes in place of “?”
  16. 16.🔁 How many sides does a hexagon have? (a) 5 (b) 8 (c) 7 (d) 6
  17. 17.🔁 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?
  18. 18.🔁 A drawing robot runs:
    repeat 5 { forward 20 cm; turn right 72° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  20. 20.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  21. 21.🔁 A drawing robot runs:
    repeat 3 { forward 35 cm; turn right 120° }
    How many cm does it drive in all?
  22. 22.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  23. 23.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 90° (c) 180° (d) 360°
  24. 24.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 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)?
  26. 26.🔁 A drawing robot runs:
    repeat 3 { forward 60 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) triangle (d) pentagon
  27. 27.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  28. 28.🔁 A drawing robot runs:
    repeat 3 { forward 75 cm; turn right 120° }
    How many cm does it drive in all?
  29. 29.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  30. 30.🔁 A drawing robot runs:
    repeat 5 { forward 75 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) square (d) hexagon
  31. 31.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) octagon (d) square
  33. 33.🔁 A drawing robot runs:
    repeat 5 { forward 15 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) pentagon (c) triangle (d) octagon
  34. 34.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  35. 35.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 5 { forward 25 cm; turn right 72° }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 3 { forward 70 cm; turn right 120° }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 3 { forward 85 cm; turn right 120° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) square (d) hexagon
  40. 40.🔁 A drawing robot runs:
    repeat 4 { forward 90 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) triangle (d) square

Answer key

  1. 400
  2. 75
  3. 360
  4. the same steps repeat
  5. square
  6. triangle
  7. 45
  8. 360 ÷ n degrees
  9. 45
  10. 625
  11. 420
  12. 80
  13. 90
  14. 40
  15. 72
  16. 6
  17. 120
  18. 100
  19. 80
  20. 120
  21. 105
  22. 45
  23. 360°
  24. 90
  25. 100
  26. triangle
  27. 1750
  28. 225
  29. 90
  30. pentagon
  31. 100
  32. square
  33. pentagon
  34. 90
  35. 160
  36. 125
  37. 210
  38. 255
  39. triangle
  40. square

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