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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 205 · 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 3 { forward 100 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) triangle (c) hexagon (d) pentagon
  2. 2.🔁 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
  3. 3.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 50 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  4. 4.🔁 A drawing robot runs:
    repeat 3 { forward 10 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) hexagon
  5. 5.🔁 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
  6. 6.🔁 A drawing robot runs:
    repeat 6 { forward 70 cm; turn right 60° }
    How many cm does it drive in all?
  7. 7.🔁 A drawing robot runs:
    repeat 4 { forward 90 cm; turn right 90° }
    How many cm does it drive in all?
  8. 8.🔁 A drawing robot runs:
    repeat 3 { forward 20 cm; turn right 120° }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 5 { forward 80 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) octagon (c) hexagon (d) pentagon
  10. 10.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 50 cm; turn right 90° }
    How many cm does it drive in all?
  11. 11.🔁 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)?
  12. 12.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 360° (b) 720° (c) 180° (d) 90°
  13. 13.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) octagon (d) square
  14. 14.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  15. 15.🔁 A drawing robot runs:
    repeat 8 { forward 70 cm; turn right 45° }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 4 { forward 95 cm; turn right 90° }
    How many cm does it drive in all?
  17. 17.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  18. 18.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  19. 19.🔁 A drawing robot runs:
    repeat 5 { forward 60 cm; turn right 72° }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 4 { forward 75 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) square (c) octagon (d) triangle
  22. 22.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  23. 23.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  24. 24.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  26. 26.🔁 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?
  27. 27.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  28. 28.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  29. 29.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  30. 30.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  31. 31.🔁 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)?
  32. 32.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  34. 34.🔁 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?
  35. 35.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  36. 36.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 3 { forward 75 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) pentagon (d) octagon
  39. 39.🔁 A drawing robot runs:
    repeat 3 { forward 30 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) square (c) hexagon (d) triangle
  40. 40.🔁 A drawing robot runs:
    repeat 8 { forward 10 cm; turn right 45° }
    How many cm does it drive in all?

Answer key

  1. triangle
  2. 360 ÷ n degrees
  3. 1750
  4. triangle
  5. the same steps repeat
  6. 420
  7. 360
  8. 60
  9. pentagon
  10. 120
  11. 100
  12. 360°
  13. octagon
  14. 300
  15. 560
  16. 380
  17. 120
  18. 72
  19. 300
  20. 40
  21. square
  22. 60
  23. 240
  24. 72
  25. 80
  26. 60
  27. 90
  28. 60
  29. 900
  30. 1200
  31. 200
  32. 230
  33. 400
  34. 130
  35. 72
  36. 80
  37. 240
  38. triangle
  39. triangle
  40. 80

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