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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 96 · 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 15 cm; turn right 60° }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 4 { forward 90 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) octagon (c) square (d) hexagon
  3. 3.🔁 For a regular shape with n sides, each turn is … (a) 360 ÷ n degrees (b) 90 degrees always (c) 180 degrees always (d) n × 360 degrees
  4. 4.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) pentagon (c) triangle (d) octagon
  5. 5.🔁 A drawing robot runs:
    repeat 3 { forward 100 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) hexagon (d) triangle
  6. 6.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  7. 7.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 50 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  8. 8.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  9. 9.🔁 Why do we use a loop to draw a square? (a) loops are colourful (b) squares need 5 sides (c) to make it crash (d) the same steps repeat
  10. 10.🔁 A drawing robot runs:
    repeat 5 { forward 30 cm; turn right 72° }
    How many cm does it drive in all?
  11. 11.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 50 cm; turn right 90° }
    How many cm does it drive in all?
  12. 12.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  13. 13.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  14. 14.🔁 A drawing robot runs:
    repeat 5 { forward 95 cm; turn right 72° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 3 { forward 40 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) square (d) triangle
  16. 16.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  17. 17.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 4 { forward 75 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) octagon (c) square (d) pentagon
  19. 19.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 4 { forward 15 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) hexagon
  21. 21.🔁 A drawing robot runs:
    repeat 3 { forward 20 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) hexagon
  22. 22.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    How many cm does it drive in all?
  23. 23.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  24. 24.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) square (d) pentagon
  25. 25.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  26. 26.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 360° (b) 90° (c) 180° (d) 720°
  27. 27.🔁 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?
  28. 28.🔁 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)?
  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 { forward 35 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 3 { forward 35 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) pentagon (c) octagon (d) triangle
  32. 32.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 8 { forward 95 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) octagon (c) square (d) pentagon
  34. 34.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 4 { forward 85 cm; turn right 90° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 8 { forward 70 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) hexagon
  37. 37.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  38. 38.🔁 A drawing robot runs:
    repeat 6 { forward 45 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) hexagon (c) octagon (d) triangle
  39. 39.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) square (d) hexagon
  40. 40.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?

Answer key

  1. 90
  2. square
  3. 360 ÷ n degrees
  4. octagon
  5. triangle
  6. 60
  7. 2750
  8. 60
  9. the same steps repeat
  10. 150
  11. 120
  12. 90
  13. 45
  14. 475
  15. triangle
  16. 90
  17. 160
  18. square
  19. 100
  20. square
  21. triangle
  22. 360
  23. 120
  24. octagon
  25. 1600
  26. 360°
  27. 200
  28. 800
  29. 80
  30. 100
  31. triangle
  32. 180
  33. octagon
  34. 195
  35. 340
  36. octagon
  37. 60
  38. hexagon
  39. square
  40. 120

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