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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 140 · 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 55 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) pentagon (d) square
  2. 2.🔁 A drawing robot runs:
    repeat 8 { forward 85 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) square (c) octagon (d) pentagon
  3. 3.🔁 A drawing robot runs:
    repeat 6 { forward 75 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) triangle (d) octagon
  4. 4.🔁 A drawing robot runs:
    repeat 3 { forward 30 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) octagon (c) square (d) pentagon
  5. 5.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) pentagon (d) octagon
  6. 6.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  7. 7.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 180° (c) 90° (d) 360°
  8. 8.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  9. 9.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) square (c) octagon (d) triangle
  10. 10.🔁 A drawing robot runs:
    repeat 6 { forward 100 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) square (c) pentagon (d) octagon
  11. 11.🔁 Why do we use a loop to draw a square? (a) loops are colourful (b) squares need 5 sides (c) the same steps repeat (d) to make it crash
  12. 12.🔁 How many sides does a hexagon have? (a) 6 (b) 7 (c) 5 (d) 8
  13. 13.🔁 A drawing robot runs:
    repeat 5 { forward 75 cm; turn right 72° }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  16. 16.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  17. 17.🔁 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
  18. 18.🔁 A drawing robot runs:
    repeat 4 { 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 10 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  20. 20.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 10 cm; turn right ?° }
    What number goes in place of “?”
  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 5 { forward 35 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) hexagon
  23. 23.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  24. 24.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A drawing robot runs:
    repeat 8 { forward 100 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) octagon (d) triangle
  26. 26.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) hexagon (c) triangle (d) pentagon
  28. 28.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) hexagon (c) octagon (d) pentagon
  29. 29.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 6 { forward 65 cm; turn right 60° }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 8 { forward 50 cm; turn right 45° }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 5 { forward 30 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) octagon (d) pentagon
  33. 33.🔁 A drawing robot runs:
    repeat 4 { forward 35 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) octagon
  34. 34.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  35. 35.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  38. 38.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 5 { forward 55 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) pentagon (c) hexagon (d) octagon
  40. 40.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 90 cm; turn right ?° }
    What number goes in place of “?”

Answer key

  1. octagon
  2. octagon
  3. hexagon
  4. triangle
  5. pentagon
  6. 1200
  7. 360°
  8. 120
  9. octagon
  10. hexagon
  11. the same steps repeat
  12. 6
  13. 375
  14. 60
  15. 600
  16. 120
  17. 360 ÷ n degrees
  18. 80
  19. 80
  20. 72
  21. 120
  22. pentagon
  23. 350
  24. 72
  25. octagon
  26. 150
  27. hexagon
  28. square
  29. 110
  30. 390
  31. 400
  32. pentagon
  33. square
  34. 72
  35. 360
  36. 100
  37. 1925
  38. 60
  39. pentagon
  40. 90

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