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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 169 · 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 85 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) octagon (d) pentagon
  2. 2.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 90° (c) 360° (d) 180°
  3. 3.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  4. 4.🔁 A drawing robot runs:
    repeat 8 { forward 85 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) triangle (c) hexagon (d) square
  5. 5.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 85 cm; turn right ?° }
    What number goes in place of “?”
  6. 6.🔁 A drawing robot runs:
    repeat 5 { forward 90 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) square (c) hexagon (d) triangle
  7. 7.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  8. 8.🔁 A drawing robot runs:
    repeat 8 { forward 75 cm; turn right 45° }
    How many cm does it drive in all?
  9. 9.🔁 Why do we use a loop to draw a square? (a) squares need 5 sides (b) the same steps repeat (c) to make it crash (d) loops are colourful
  10. 10.🔁 A drawing robot runs:
    repeat 8 { forward 50 cm; turn right 45° }
    How many cm does it drive in all?
  11. 11.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  15. 15.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  16. 16.🔁 A drawing robot runs:
    repeat 3 { forward 30 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) triangle (c) square (d) hexagon
  17. 17.🔁 A drawing robot runs:
    repeat 5 { forward 95 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) pentagon (d) octagon
  18. 18.🔁 A drawing robot runs:
    repeat 5 { forward 90 cm; turn right 72° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  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 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 8 { forward 30 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) square (c) octagon (d) pentagon
  24. 24.🔁 A drawing robot runs:
    repeat 8 { forward 95 cm; turn right 45° }
    How many cm does it drive in all?
  25. 25.🔁 A drawing robot runs:
    repeat 8 { forward 10 cm; turn right 45° }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 5 { forward 40 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) triangle (c) pentagon (d) hexagon
  29. 29.🔁 A drawing robot runs:
    repeat 4 { forward 65 cm; turn right 90° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 6 { forward 75 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) pentagon (d) triangle
  32. 32.🔁 A drawing robot runs:
    repeat 4 { forward 100 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) pentagon (c) triangle (d) hexagon
  33. 33.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  34. 34.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  35. 35.🔁 For a regular shape with n sides, each turn is … (a) 90 degrees always (b) n × 360 degrees (c) 180 degrees always (d) 360 ÷ n degrees
  36. 36.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  37. 37.🔁 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?
  38. 38.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 3 { forward 85 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) triangle (c) pentagon (d) octagon
  40. 40.🔁 How many sides does a hexagon have? (a) 8 (b) 5 (c) 7 (d) 6

Answer key

  1. hexagon
  2. 360°
  3. 3300
  4. octagon
  5. 120
  6. pentagon
  7. 90
  8. 600
  9. the same steps repeat
  10. 400
  11. 100
  12. 60
  13. 160
  14. 600
  15. 60
  16. triangle
  17. pentagon
  18. 450
  19. 120
  20. 240
  21. 120
  22. 72
  23. octagon
  24. 760
  25. 80
  26. 60
  27. 200
  28. pentagon
  29. 260
  30. 400
  31. hexagon
  32. square
  33. 1375
  34. 100
  35. 360 ÷ n degrees
  36. 450
  37. 80
  38. 240
  39. triangle
  40. 6

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