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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 212 · 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 50 cm; turn right 45° }
    How many cm does it drive in all?
  2. 2.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 360° (c) 90° (d) 180°
  3. 3.🔁 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
  4. 4.🔁 A drawing robot runs:
    repeat 6 { forward 15 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) pentagon (d) square
  5. 5.🔁 A drawing robot runs:
    repeat 8 { forward 85 cm; turn right 45° }
    How many cm does it drive in all?
  6. 6.🔁 A drawing robot runs:
    repeat 4 { forward 75 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) square (c) triangle (d) hexagon
  7. 7.🔁 A drawing robot runs:
    repeat 3 { forward 95 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) square (c) triangle (d) octagon
  8. 8.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  11. 11.🔁 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)?
  12. 12.🔁 A drawing robot runs:
    repeat 5 { forward 40 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) pentagon (d) square
  13. 13.🔁 A drawing robot runs:
    repeat 6 { forward 95 cm; turn right 60° }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 5 { forward 45 cm; turn right 72° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 3 { forward 30 cm; turn right 120° }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?
  17. 17.🔁 How many sides does a hexagon have? (a) 5 (b) 7 (c) 6 (d) 8
  18. 18.🔁 A drawing robot runs:
    repeat 6 { forward 60 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) octagon (c) hexagon (d) square
  19. 19.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  20. 20.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) triangle (c) octagon (d) pentagon
  21. 21.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 3 { forward 70 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) hexagon (d) octagon
  23. 23.🔁 Why do we use a loop to draw a square? (a) to make it crash (b) loops are colourful (c) the same steps repeat (d) squares need 5 sides
  24. 24.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  27. 27.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  28. 28.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  29. 29.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 4 { forward 80 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) square (d) triangle
  35. 35.🔁 A drawing robot runs:
    repeat 3 { forward 35 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) octagon
  36. 36.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 6 { forward 100 cm; turn right 60° }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  39. 39.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 10 cm; turn right ?° }
    What number goes in place of “?”
  40. 40.🔁 A drawing robot runs:
    repeat 8 { forward 100 cm; turn right 45° }
    How many cm does it drive in all?

Answer key

  1. 400
  2. 360°
  3. 360 ÷ n degrees
  4. hexagon
  5. 680
  6. square
  7. triangle
  8. 120
  9. 190
  10. 2000
  11. 400
  12. pentagon
  13. 570
  14. 225
  15. 90
  16. 140
  17. 6
  18. hexagon
  19. 600
  20. square
  21. 80
  22. triangle
  23. the same steps repeat
  24. 120
  25. 200
  26. 140
  27. 90
  28. 900
  29. 320
  30. 80
  31. 90
  32. 100
  33. 120
  34. square
  35. triangle
  36. 480
  37. 600
  38. 400
  39. 72
  40. 800

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