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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 184 · 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.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 180° (b) 90° (c) 360° (d) 720°
  2. 2.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 8 { forward 65 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) square (c) triangle (d) pentagon
  4. 4.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 10 cm; turn right ?° }
    What number goes in place of “?”
  5. 5.🔁 How many sides does a hexagon have? (a) 6 (b) 7 (c) 5 (d) 8
  6. 6.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  7. 7.🔁 A drawing robot runs:
    repeat 8 { forward 55 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) octagon (c) square (d) pentagon
  8. 8.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  9. 9.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 45 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  10. 10.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  11. 11.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  12. 12.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  13. 13.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 2 { forward 25 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 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  16. 16.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  17. 17.🔁 A drawing robot runs:
    repeat 3 { forward 20 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) pentagon (d) triangle
  18. 18.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  19. 19.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?
  20. 20.🔁 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)?
  21. 21.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  22. 22.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  24. 24.🔁 A drawing robot runs:
    repeat 3 { forward 90 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) pentagon
  25. 25.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 30 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 75 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) triangle (c) pentagon (d) octagon
  27. 27.🔁 A drawing robot runs:
    repeat 8 { forward 40 cm; turn right 45° }
    How many cm does it drive in all?
  28. 28.🔁 For a regular shape with n sides, each turn is … (a) 180 degrees always (b) 360 ÷ n degrees (c) 90 degrees always (d) n × 360 degrees
  29. 29.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 6 { forward 15 cm; turn right 60° }
    How many cm does it drive in all?
  32. 32.🔁 Why do we use a loop to draw a square? (a) loops are colourful (b) squares need 5 sides (c) to make it crash (d) the same steps repeat
  33. 33.🔁 A drawing robot runs:
    repeat 4 { forward 35 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) pentagon (c) hexagon (d) triangle
  34. 34.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  35. 35.🔁 A drawing robot runs:
    repeat 3 { forward 95 cm; turn right 120° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 3 { forward 90 cm; turn right 120° }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 6 { forward 50 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) triangle (c) hexagon (d) pentagon
  38. 38.🔁 A drawing robot runs:
    repeat 2 { forward 15 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 3 { forward 50 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) triangle (c) square (d) hexagon
  40. 40.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?

Answer key

  1. 360°
  2. 80
  3. octagon
  4. 45
  5. 6
  6. 2100
  7. octagon
  8. 60
  9. 2250
  10. 90
  11. 160
  12. 60
  13. 60
  14. 500
  15. 200
  16. 72
  17. triangle
  18. 400
  19. 210
  20. 625
  21. 90
  22. 100
  23. 400
  24. triangle
  25. 300
  26. triangle
  27. 320
  28. 360 ÷ n degrees
  29. 500
  30. 100
  31. 90
  32. the same steps repeat
  33. square
  34. 72
  35. 285
  36. 270
  37. hexagon
  38. 150
  39. triangle
  40. 110

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