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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 241 · 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 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 8 { forward 75 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) hexagon (d) triangle
  3. 3.🔁 A drawing robot runs:
    repeat 5 { forward 45 cm; turn right 72° }
    How many cm does it drive in all?
  4. 4.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  5. 5.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 15 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 15 cm; turn right 90° }
    How many cm does it drive in all?
  7. 7.🔁 How many sides does a hexagon have? (a) 5 (b) 8 (c) 6 (d) 7
  8. 8.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 180° (b) 360° (c) 720° (d) 90°
  9. 9.🔁 A drawing robot runs:
    repeat 5 { forward 65 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) triangle (c) hexagon (d) pentagon
  10. 10.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 45 cm; turn right ?° }
    What number goes in place of “?”
  11. 11.🔁 A drawing robot runs:
    repeat 4 { forward 75 cm; turn right 90° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  13. 13.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  14. 14.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 45 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  18. 18.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  22. 22.🔁 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
  23. 23.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  24. 24.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  25. 25.🔁 A drawing robot runs:
    repeat 4 { forward 55 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) triangle (c) hexagon (d) pentagon
  26. 26.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) square (d) octagon
  27. 27.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) square (d) triangle
  28. 28.🔁 A drawing robot runs:
    repeat 5 { forward 75 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) square (c) octagon (d) pentagon
  29. 29.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  30. 30.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 3 { forward 55 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) pentagon
  32. 32.🔁 A drawing robot runs:
    repeat 8 { forward 15 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) octagon (c) hexagon (d) pentagon
  33. 33.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  34. 34.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  35. 35.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    How many cm does it drive in all?
  37. 37.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  38. 38.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  40. 40.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?

Answer key

  1. 100
  2. octagon
  3. 225
  4. 90
  5. 180
  6. 70
  7. 6
  8. 360°
  9. pentagon
  10. 72
  11. 300
  12. 130
  13. 90
  14. 180
  15. 180
  16. 60
  17. 1350
  18. 40
  19. 70
  20. 240
  21. 320
  22. the same steps repeat
  23. 450
  24. 160
  25. square
  26. triangle
  27. square
  28. pentagon
  29. 45
  30. 120
  31. triangle
  32. octagon
  33. 60
  34. 60
  35. 195
  36. 75
  37. 45
  38. 240
  39. 120
  40. 140

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