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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 105 · 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.🔁 Why do we use a loop to draw a square? (a) loops are colourful (b) to make it crash (c) squares need 5 sides (d) the same steps repeat
  2. 2.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 90° (c) 180° (d) 360°
  3. 3.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  4. 4.🔁 How many sides does a hexagon have? (a) 6 (b) 7 (c) 5 (d) 8
  5. 5.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 10 cm; turn right ?° }
    What number goes in place of “?”
  6. 6.🔁 A drawing robot runs:
    repeat 5 { forward 30 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) octagon
  7. 7.🔁 A drawing robot runs:
    repeat 4 { forward 40 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) square (c) triangle (d) pentagon
  8. 8.🔁 A drawing robot runs:
    repeat 6 { forward 65 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) hexagon (c) octagon (d) pentagon
  9. 9.🔁 A drawing robot runs:
    repeat 5 { forward 15 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) triangle (c) pentagon (d) hexagon
  10. 10.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  11. 11.🔁 A drawing robot runs:
    repeat 6 { forward 100 cm; turn right 60° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 5 { forward 25 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) triangle (c) pentagon (d) hexagon
  19. 19.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  20. 20.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  21. 21.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  22. 22.🔁 A drawing robot runs:
    repeat 3 { forward 95 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) square (d) triangle
  23. 23.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 85 cm; turn right ?° }
    What number goes in place of “?”
  24. 24.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  25. 25.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 10 cm; turn right ?° }
    What number goes in place of “?”
  26. 26.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  27. 27.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  28. 28.🔁 A drawing robot runs:
    repeat 8 { forward 50 cm; turn right 45° }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 4 { forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  30. 30.🔁 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
  31. 31.🔁 A drawing robot runs:
    repeat 6 { forward 70 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) square (c) pentagon (d) triangle
  32. 32.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  33. 33.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) pentagon
  36. 36.🔁 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)?
  37. 37.🔁 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)?
  38. 38.🔁 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)?
  39. 39.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) square (c) pentagon (d) triangle
  40. 40.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    How many cm does it drive in all?

Answer key

  1. the same steps repeat
  2. 360°
  3. 360
  4. 6
  5. 90
  6. pentagon
  7. square
  8. hexagon
  9. pentagon
  10. 60
  11. 600
  12. 400
  13. 160
  14. 320
  15. 200
  16. 120
  17. 150
  18. pentagon
  19. 60
  20. 1400
  21. 60
  22. triangle
  23. 120
  24. 300
  25. 120
  26. 90
  27. 900
  28. 400
  29. 140
  30. 360 ÷ n degrees
  31. hexagon
  32. 72
  33. 160
  34. 120
  35. pentagon
  36. 500
  37. 1750
  38. 1200
  39. octagon
  40. 195

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