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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 41 · 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 6 { forward 20 cm; turn right 60° }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 5 { forward 100 cm; turn right 72° }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  4. 4.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  5. 5.🔁 Why do we use a loop to draw a square? (a) squares need 5 sides (b) to make it crash (c) the same steps repeat (d) loops are colourful
  6. 6.🔁 A drawing robot runs:
    repeat 6 { forward 80 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) pentagon
  7. 7.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  8. 8.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 55 cm; turn right 90° }
    How many cm does it drive in all?
  10. 10.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  11. 11.🔁 A drawing robot runs:
    repeat 6 { forward 85 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) square (d) octagon
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  13. 13.🔁 A drawing robot runs:
    repeat 8 { forward 70 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) octagon
  14. 14.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) square (d) pentagon
  15. 15.🔁 For a regular shape with n sides, each turn is … (a) 90 degrees always (b) n × 360 degrees (c) 360 ÷ n degrees (d) 180 degrees always
  16. 16.🔁 A drawing robot runs:
    repeat 4 { forward 45 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) square (d) triangle
  17. 17.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  19. 19.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  20. 20.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  21. 21.🔁 A drawing robot runs:
    repeat 3 { forward 60 cm; turn right 120° }
    How many cm does it drive in all?
  22. 22.🔁 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?
  23. 23.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  24. 24.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A drawing robot runs:
    repeat 6 { forward 15 cm; turn right 60° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) pentagon (d) square
  26. 26.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 3 { forward 35 cm; turn right 120° }
    How many cm does it drive in all?
  28. 28.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  29. 29.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  30. 30.🔁 A drawing robot runs:
    repeat 4 { forward 80 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) triangle (c) square (d) pentagon
  31. 31.🔁 A drawing robot runs:
    repeat 4 { forward 65 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) hexagon (d) square
  32. 32.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  33. 33.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 180° (b) 720° (c) 90° (d) 360°
  34. 34.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  35. 35.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 5 { forward 35 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) triangle (d) pentagon
  39. 39.🔁 A drawing robot runs:
    repeat 5 { forward 95 cm; turn right 72° }
    How many cm does it drive in all?
  40. 40.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?

Answer key

  1. 120
  2. 500
  3. 625
  4. 300
  5. the same steps repeat
  6. hexagon
  7. 90
  8. 240
  9. 130
  10. 60
  11. hexagon
  12. 1800
  13. octagon
  14. octagon
  15. 360 ÷ n degrees
  16. square
  17. 120
  18. 750
  19. 120
  20. 72
  21. 180
  22. 200
  23. 1000
  24. 60
  25. hexagon
  26. 200
  27. 105
  28. 45
  29. 90
  30. square
  31. square
  32. 600
  33. 360°
  34. 1500
  35. 40
  36. 80
  37. 120
  38. pentagon
  39. 475
  40. 150

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