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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 53 · 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° }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 6 { forward 10 cm; turn right 60° }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  4. 4.🔁 A drawing robot runs:
    repeat 3 { forward 50 cm; turn right 120° }
    How many cm does it drive in all?
  5. 5.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  6. 6.🔁 A drawing robot runs:
    repeat 6 { forward 65 cm; turn right 60° }
    How many cm does it drive in all?
  7. 7.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  8. 8.🔁 A drawing robot runs:
    repeat 5 { forward 95 cm; turn right 72° }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 6 { forward 10 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) triangle (c) pentagon (d) hexagon
  10. 10.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 25 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 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  12. 12.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  13. 13.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 360° (c) 180° (d) 720°
  14. 14.🔁 A drawing robot runs:
    repeat 5 { forward 75 cm; turn right 72° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 4 { forward 10 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) hexagon (d) square
  17. 17.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  18. 18.🔁 A drawing robot runs:
    repeat 3 { forward 30 cm; turn right 120° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 5 { forward 45 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) pentagon (c) triangle (d) hexagon
  20. 20.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 Why do we use a loop to draw a square? (a) loops are colourful (b) squares need 5 sides (c) the same steps repeat (d) to make it crash
  22. 22.🔁 How many sides does a hexagon have? (a) 7 (b) 5 (c) 8 (d) 6
  23. 23.🔁 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
  24. 24.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    How many cm does it drive in all?
  25. 25.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 3 { forward 85 cm; turn right 120° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) square (c) triangle (d) hexagon
  31. 31.🔁 A drawing robot runs:
    repeat 4 { forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 8 { forward 85 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) pentagon
  33. 33.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  34. 34.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  35. 35.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 4 { forward 85 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) hexagon (c) pentagon (d) octagon
  37. 37.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  38. 38.🔁 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?
  39. 39.🔁 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?
  40. 40.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?

Answer key

  1. 300
  2. 60
  3. 60
  4. 150
  5. 80
  6. 390
  7. 80
  8. 475
  9. hexagon
  10. 200
  11. 150
  12. 120
  13. 360°
  14. 375
  15. 140
  16. square
  17. 60
  18. 90
  19. pentagon
  20. 240
  21. the same steps repeat
  22. 6
  23. 360 ÷ n degrees
  24. 240
  25. 110
  26. 200
  27. 255
  28. 480
  29. 400
  30. triangle
  31. 40
  32. octagon
  33. 90
  34. 90
  35. 160
  36. square
  37. 90
  38. 200
  39. 80
  40. 180

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