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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 84 · 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.🔁 How many sides does a hexagon have? (a) 8 (b) 6 (c) 5 (d) 7
  2. 2.🔁 For a regular shape with n sides, each turn is … (a) 180 degrees always (b) n × 360 degrees (c) 90 degrees always (d) 360 ÷ n degrees
  3. 3.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  4. 4.🔁 A drawing robot runs:
    repeat 5 { forward 40 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) square (d) octagon
  5. 5.🔁 A drawing robot runs:
    repeat 6 { forward 50 cm; turn right 60° }
    How many cm does it drive in all?
  6. 6.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  7. 7.🔁 A drawing robot runs:
    repeat 5 { forward 45 cm; turn right 72° }
    How many cm does it drive in all?
  8. 8.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 360° (b) 90° (c) 720° (d) 180°
  9. 9.🔁 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?
  10. 10.🔁 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?
  11. 11.🔁 A drawing robot runs:
    repeat 6 { forward 70 cm; turn right 60° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  13. 13.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  14. 14.🔁 A drawing robot runs:
    repeat 5 { forward 35 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) triangle (c) hexagon (d) pentagon
  15. 15.🔁 A drawing robot runs:
    repeat 8 { forward 85 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) hexagon (d) octagon
  16. 16.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 3 { forward 70 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) hexagon
  18. 18.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  19. 19.🔁 A drawing robot runs:
    repeat 6 { forward 25 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) hexagon
  20. 20.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  21. 21.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 50 cm; turn right ?° }
    What number goes in place of “?”
  22. 22.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  23. 23.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  24. 24.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 5 { forward 80 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) square (c) octagon (d) triangle
  27. 27.🔁 A drawing robot runs:
    repeat 6 { forward 70 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) triangle (c) hexagon (d) octagon
  28. 28.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  29. 29.🔁 A drawing robot runs:
    repeat 5 { forward 100 cm; turn right 72° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    How many cm does it drive in all?
  33. 33.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  34. 34.🔁 A drawing robot runs:
    repeat 6 { forward 80 cm; turn right 60° }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 4 { forward 50 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) square (d) octagon
  37. 37.🔁 A drawing robot runs:
    repeat 4 { forward 40 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) pentagon (c) hexagon (d) octagon
  38. 38.🔁 A drawing robot runs:
    repeat 4 { forward 80 cm; turn right 90° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 6 { forward 35 cm; turn right 60° }
    How many cm does it drive in all?
  40. 40.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 95 cm; turn right ?° }
    What number goes in place of “?”

Answer key

  1. 6
  2. 360 ÷ n degrees
  3. 160
  4. pentagon
  5. 300
  6. 2750
  7. 225
  8. 360°
  9. 110
  10. 120
  11. 420
  12. 100
  13. 400
  14. pentagon
  15. octagon
  16. 400
  17. triangle
  18. 45
  19. hexagon
  20. 3025
  21. 60
  22. 72
  23. 130
  24. 60
  25. 180
  26. pentagon
  27. hexagon
  28. 90
  29. 500
  30. 600
  31. 40
  32. 45
  33. 45
  34. 480
  35. 80
  36. square
  37. square
  38. 320
  39. 210
  40. 90

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