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Robotics Worksheet: Loops and Shapes

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

Answer key

  1. 400
  2. square
  3. 120
  4. octagon
  5. 360°
  6. octagon
  7. 200
  8. 1800
  9. 225
  10. 150
  11. 90
  12. 90
  13. 6
  14. 160
  15. pentagon
  16. the same steps repeat
  17. triangle
  18. 72
  19. triangle
  20. square
  21. pentagon
  22. 360 ÷ n degrees
  23. octagon
  24. 200
  25. 320
  26. 120
  27. 40
  28. hexagon
  29. 60
  30. 1500
  31. 160
  32. 1375
  33. 350
  34. 400
  35. triangle
  36. 720
  37. triangle
  38. 285
  39. 90
  40. triangle

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