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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 200 · 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 20 cm; turn right 90° }
    How many cm does it drive in all?
  2. 2.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 180° (c) 360° (d) 720°
  3. 3.🔁 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
  4. 4.🔁 A drawing robot runs:
    repeat 5 { forward 20 cm; turn right 72° }
    How many cm does it drive in all?
  5. 5.🔁 A drawing robot runs:
    repeat 5 { forward 45 cm; turn right 72° }
    How many cm does it drive in all?
  6. 6.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  7. 7.🔁 A drawing robot runs:
    repeat 4 { forward 70 cm; turn right 90° }
    How many cm does it drive in all?
  8. 8.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) hexagon (c) triangle (d) octagon
  9. 9.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 50 cm; turn right ?° }
    What number goes in place of “?”
  10. 10.🔁 A drawing robot runs:
    repeat 6 { forward 45 cm; turn right 60° }
    How many cm does it drive in all?
  11. 11.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  12. 12.🔁 A drawing robot runs:
    repeat 5 { forward 60 cm; turn right 72° }
    How many cm does it drive in all?
  13. 13.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  14. 14.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  16. 16.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) octagon (c) pentagon (d) hexagon
  17. 17.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) octagon (d) square
  19. 19.🔁 A drawing robot runs:
    repeat 3 { forward 20 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) pentagon (d) square
  20. 20.🔁 A drawing robot runs:
    repeat 6 { forward 60 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) hexagon (d) square
  21. 21.🔁 A drawing robot runs:
    repeat 8 { forward 55 cm; turn right 45° }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  23. 23.🔁 For a regular shape with n sides, each turn is … (a) 90 degrees always (b) 360 ÷ n degrees (c) 180 degrees always (d) n × 360 degrees
  24. 24.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  26. 26.🔁 A drawing robot runs:
    repeat 5 { forward 100 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) square (d) triangle
  27. 27.🔁 How many sides does a hexagon have? (a) 8 (b) 7 (c) 5 (d) 6
  28. 28.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 6 { forward 25 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) pentagon
  30. 30.🔁 A drawing robot runs:
    repeat 8 { forward 60 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) hexagon (d) square
  31. 31.🔁 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)?
  32. 32.🔁 A drawing robot runs:
    repeat 5 { forward 50 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) octagon (d) triangle
  33. 33.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 50 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  34. 34.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) pentagon (d) triangle
  35. 35.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  36. 36.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  37. 37.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 45 cm; turn right ?° }
    What number goes in place of “?”
  38. 38.🔁 A drawing robot runs:
    repeat 3 { forward 90 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) square (c) triangle (d) hexagon
  39. 39.🔁 A drawing robot runs:
    repeat 4 { forward 95 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) square (d) triangle
  40. 40.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?

Answer key

  1. 70
  2. 360°
  3. the same steps repeat
  4. 100
  5. 225
  6. 210
  7. 280
  8. triangle
  9. 90
  10. 270
  11. 90
  12. 300
  13. 120
  14. 195
  15. 3025
  16. octagon
  17. 120
  18. hexagon
  19. triangle
  20. hexagon
  21. 440
  22. 1000
  23. 360 ÷ n degrees
  24. 90
  25. 1500
  26. pentagon
  27. 6
  28. 300
  29. hexagon
  30. octagon
  31. 225
  32. pentagon
  33. 1000
  34. pentagon
  35. 3000
  36. 72
  37. 72
  38. triangle
  39. square
  40. 120

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