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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 146 · 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 { forward 15 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) octagon (d) triangle
  2. 2.🔁 A drawing robot runs:
    repeat 5 { forward 15 cm; turn right 72° }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 5 { forward 40 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) pentagon (d) square
  4. 4.🔁 A drawing robot runs:
    repeat 6 { forward 75 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) square (d) triangle
  5. 5.🔁 A drawing robot runs:
    repeat 4 { forward 55 cm; turn right 90° }
    How many cm does it drive in all?
  6. 6.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  7. 7.🔁 A drawing robot runs:
    repeat 3 { forward 20 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) square (c) triangle (d) octagon
  8. 8.🔁 How many sides does a hexagon have? (a) 5 (b) 7 (c) 8 (d) 6
  9. 9.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 5 { forward 30 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) pentagon (d) triangle
  11. 11.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 720° (c) 180° (d) 360°
  12. 12.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  13. 13.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  14. 14.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  15. 15.🔁 A drawing robot runs:
    repeat 6 { forward 80 cm; turn right 60° }
    How many cm does it drive in all?
  16. 16.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  17. 17.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  18. 18.🔁 Why do we use a loop to draw a square? (a) the same steps repeat (b) loops are colourful (c) squares need 5 sides (d) to make it crash
  19. 19.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 4 { 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 20 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  23. 23.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  24. 24.🔁 A drawing robot runs:
    repeat 5 { forward 65 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) square (d) octagon
  25. 25.🔁 A drawing robot runs:
    repeat 5 { forward 90 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) octagon (c) pentagon (d) square
  26. 26.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  27. 27.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 6 { forward 55 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) square (d) triangle
  29. 29.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  30. 30.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  31. 31.🔁 A drawing robot runs:
    repeat 6 { forward 45 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) octagon (d) hexagon
  32. 32.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  33. 33.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  34. 34.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  35. 35.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  36. 36.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  37. 37.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 5 { forward 70 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) octagon (d) pentagon
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  40. 40.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) triangle (c) pentagon (d) square

Answer key

  1. pentagon
  2. 75
  3. pentagon
  4. hexagon
  5. 220
  6. 1200
  7. triangle
  8. 6
  9. 240
  10. pentagon
  11. 360°
  12. 60
  13. 60
  14. 72
  15. 480
  16. 60
  17. 400
  18. the same steps repeat
  19. 75
  20. 160
  21. 400
  22. 110
  23. 120
  24. pentagon
  25. pentagon
  26. 45
  27. 40
  28. hexagon
  29. 70
  30. 120
  31. hexagon
  32. 2400
  33. 90
  34. 240
  35. 90
  36. 120
  37. 80
  38. pentagon
  39. 130
  40. square

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