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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 192 · 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 robot must draw a regular square (4 equal sides):
    repeat 4 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  2. 2.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 50 cm; turn right ?° }
    What number goes in place of “?”
  3. 3.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 180° (c) 360° (d) 720°
  4. 4.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  5. 5.🔁 A drawing robot runs:
    repeat 5 { forward 60 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) triangle (c) pentagon (d) octagon
  6. 6.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    How many cm does it drive in all?
  7. 7.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  8. 8.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 55 cm; turn right 90° }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  11. 11.🔁 How many sides does a hexagon have? (a) 5 (b) 7 (c) 8 (d) 6
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  13. 13.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) pentagon (d) square
  15. 15.🔁 A drawing robot runs:
    repeat 6 { forward 15 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) square (c) pentagon (d) triangle
  16. 16.🔁 A drawing robot runs:
    repeat 3 { forward 85 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) square (d) triangle
  17. 17.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  18. 18.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  22. 22.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  23. 23.🔁 A drawing robot runs:
    repeat 3 { forward 50 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) square (c) hexagon (d) triangle
  24. 24.🔁 Why do we use a loop to draw a square? (a) squares need 5 sides (b) loops are colourful (c) the same steps repeat (d) to make it crash
  25. 25.🔁 A drawing robot runs:
    repeat 6 { forward 95 cm; turn right 60° }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 4 { forward 80 cm; turn right 90° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 3 { forward 95 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) triangle (c) hexagon (d) pentagon
  29. 29.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  30. 30.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  31. 31.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  32. 32.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  34. 34.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  35. 35.🔁 A drawing robot runs:
    repeat 4 { forward 55 cm; turn right 90° }
    How many cm does it drive in all?
  36. 36.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  37. 37.🔁 A drawing robot runs:
    repeat 3 { forward 85 cm; turn right 120° }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) pentagon (d) triangle
  39. 39.🔁 A drawing robot runs:
    repeat 3 { forward 80 cm; turn right 120° }
    How many cm does it drive in all?
  40. 40.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 10 cm; turn right ?° }
    What number goes in place of “?”

Answer key

  1. 90
  2. 72
  3. 360°
  4. 160
  5. pentagon
  6. 50
  7. 500
  8. 220
  9. 40
  10. 400
  11. 6
  12. 800
  13. 100
  14. square
  15. hexagon
  16. triangle
  17. 60
  18. 130
  19. 100
  20. 200
  21. 240
  22. 120
  23. triangle
  24. the same steps repeat
  25. 570
  26. 120
  27. 320
  28. triangle
  29. 60
  30. 200
  31. 90
  32. 180
  33. 1800
  34. 90
  35. 220
  36. 60
  37. 255
  38. octagon
  39. 240
  40. 120

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