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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 211 · 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) the same steps repeat (c) squares need 5 sides (d) to make it crash
  2. 2.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  3. 3.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  4. 4.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  5. 5.🔁 A drawing robot runs:
    repeat 4 { forward 10 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) square (d) triangle
  6. 6.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  7. 7.🔁 A drawing robot runs:
    repeat 4 { forward 90 cm; turn right 90° }
    How many cm does it drive in all?
  8. 8.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  10. 10.🔁 A drawing robot runs:
    repeat 5 { forward 55 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) pentagon (d) triangle
  11. 11.🔁 A drawing robot runs:
    repeat 8 { forward 50 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) triangle (d) hexagon
  12. 12.🔁 A drawing robot runs:
    repeat 4 { forward 50 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) triangle (c) hexagon (d) square
  13. 13.🔁 A drawing robot runs:
    repeat 4 { forward 35 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) pentagon (c) triangle (d) hexagon
  14. 14.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 8 { forward 90 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) pentagon (c) octagon (d) hexagon
  16. 16.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  17. 17.🔁 A drawing robot runs:
    repeat 6 { forward 65 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) hexagon (d) square
  18. 18.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 10 cm; turn right ?° }
    What number goes in place of “?”
  19. 19.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  20. 20.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 50 cm; turn right 90° }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 6 { forward 45 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) hexagon (d) square
  24. 24.🔁 A drawing robot runs:
    repeat 3 { forward 35 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) hexagon (c) octagon (d) triangle
  25. 25.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 5 { forward 85 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) square (d) triangle
  27. 27.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 4 { forward 60 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) hexagon (d) square
  29. 29.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  31. 31.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 180° (c) 720° (d) 360°
  32. 32.🔁 How many sides does a hexagon have? (a) 8 (b) 7 (c) 6 (d) 5
  33. 33.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) triangle (c) octagon (d) hexagon
  34. 34.🔁 A drawing robot runs:
    repeat 6 { forward 80 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) square (c) hexagon (d) pentagon
  35. 35.🔁 A drawing robot runs:
    repeat 3 { forward 45 cm; turn right 120° }
    How many cm does it drive in all?
  36. 36.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 45 cm; turn right ?° }
    What number goes in place of “?”
  37. 37.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 90 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° }
    What is the area of the rectangle it draws (in square cm)?
  39. 39.🔁 A drawing robot runs:
    repeat 8 { forward 80 cm; turn right 45° }
    How many cm does it drive in all?
  40. 40.🔁 A drawing robot runs:
    repeat 5 { forward 60 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) triangle (c) square (d) pentagon

Answer key

  1. the same steps repeat
  2. 60
  3. 160
  4. 525
  5. square
  6. 600
  7. 360
  8. 180
  9. 1200
  10. pentagon
  11. octagon
  12. square
  13. square
  14. 80
  15. octagon
  16. 45
  17. hexagon
  18. 72
  19. 72
  20. 120
  21. 100
  22. 150
  23. hexagon
  24. triangle
  25. 80
  26. pentagon
  27. 240
  28. square
  29. 80
  30. 40
  31. 360°
  32. 6
  33. hexagon
  34. hexagon
  35. 135
  36. 60
  37. 120
  38. 2400
  39. 640
  40. pentagon

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