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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 268 · 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 8 { forward 85 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) triangle (d) pentagon
  2. 2.🔁 A drawing robot runs:
    repeat 4 { forward 90 cm; turn right 90° }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  4. 4.🔁 A drawing robot runs:
    repeat 6 { forward 45 cm; turn right 60° }
    How many cm does it drive in all?
  5. 5.🔁 A drawing robot runs:
    repeat 5 { forward 35 cm; turn right 72° }
    How many cm does it drive in all?
  6. 6.🔁 A drawing robot runs:
    repeat 8 { forward 65 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) square (c) octagon (d) hexagon
  7. 7.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  8. 8.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 3 { forward 95 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) octagon (d) triangle
  10. 10.🔁 How many sides does a hexagon have? (a) 5 (b) 8 (c) 6 (d) 7
  11. 11.🔁 A drawing robot runs:
    repeat 5 { forward 45 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) octagon (c) pentagon (d) triangle
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  13. 13.🔁 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
  14. 14.🔁 A drawing robot runs:
    repeat 8 { forward 75 cm; turn right 45° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 6 { forward 85 cm; turn right 60° }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 3 { forward 75 cm; turn right 120° }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 6 { forward 70 cm; turn right 60° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 5 { forward 50 cm; turn right 72° }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 3 { forward 35 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) pentagon (c) triangle (d) octagon
  21. 21.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  23. 23.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 90° (c) 360° (d) 180°
  24. 24.🔁 For a regular shape with n sides, each turn is … (a) n × 360 degrees (b) 90 degrees always (c) 360 ÷ n degrees (d) 180 degrees always
  25. 25.🔁 A drawing robot runs:
    repeat 4 { forward 15 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) square (c) pentagon (d) triangle
  26. 26.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  27. 27.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 5 { forward 95 cm; turn right 72° }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 5 { forward 90 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) pentagon (c) triangle (d) octagon
  30. 30.🔁 A drawing robot runs:
    repeat 5 { forward 80 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) hexagon (c) pentagon (d) triangle
  31. 31.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  32. 32.🔁 A drawing robot runs:
    repeat 6 { forward 55 cm; turn right 60° }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 4 { forward 50 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) square (c) hexagon (d) pentagon
  34. 34.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  35. 35.🔁 A drawing robot runs:
    repeat 5 { forward 15 cm; turn right 72° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 4 { forward 70 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) square (d) pentagon
  37. 37.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 5 { forward 15 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) pentagon (c) triangle (d) octagon
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  40. 40.🔁 A drawing robot runs:
    repeat 3 { forward 40 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) octagon (d) hexagon

Answer key

  1. octagon
  2. 360
  3. 400
  4. 270
  5. 175
  6. octagon
  7. 45
  8. 400
  9. triangle
  10. 6
  11. pentagon
  12. 1050
  13. the same steps repeat
  14. 600
  15. 80
  16. 510
  17. 225
  18. 420
  19. 250
  20. triangle
  21. 120
  22. 240
  23. 360°
  24. 360 ÷ n degrees
  25. square
  26. 90
  27. 100
  28. 475
  29. pentagon
  30. pentagon
  31. 90
  32. 330
  33. square
  34. 300
  35. 75
  36. square
  37. 100
  38. pentagon
  39. 1200
  40. triangle

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