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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 279 · 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 75 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) octagon (d) square
  2. 2.🔁 How many sides does a hexagon have? (a) 5 (b) 7 (c) 6 (d) 8
  3. 3.🔁 A drawing robot runs:
    repeat 5 { forward 35 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) triangle (c) square (d) pentagon
  4. 4.🔁 A drawing robot runs:
    repeat 5 { forward 30 cm; turn right 72° }
    How many cm does it drive in all?
  5. 5.🔁 A drawing robot runs:
    repeat 6 { forward 40 cm; turn right 60° }
    How many cm does it drive in all?
  6. 6.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  7. 7.🔁 A drawing robot runs:
    repeat 8 { forward 65 cm; turn right 45° }
    How many cm does it drive in all?
  8. 8.🔁 A drawing robot runs:
    repeat 5 { forward 45 cm; turn right 72° }
    How many cm does it drive in all?
  9. 9.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  10. 10.🔁 A drawing robot runs:
    repeat 8 { forward 85 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) octagon (d) square
  11. 11.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 180° (c) 720° (d) 360°
  12. 12.🔁 A drawing robot runs:
    repeat 6 { forward 35 cm; turn right 60° }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 6 { forward 10 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) square (c) triangle (d) pentagon
  15. 15.🔁 A drawing robot runs:
    repeat 4 { forward 10 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) square (c) triangle (d) octagon
  16. 16.🔁 A drawing robot runs:
    repeat 8 { forward 80 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) pentagon (d) octagon
  17. 17.🔁 A drawing robot runs:
    repeat 8 { forward 10 cm; turn right 45° }
    How many cm does it drive in all?
  18. 18.🔁 Why do we use a loop to draw a square? (a) the same steps repeat (b) loops are colourful (c) squares need 5 sides (d) to make it crash
  19. 19.🔁 A drawing robot runs:
    repeat 5 { forward 90 cm; turn right 72° }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  24. 24.🔁 A drawing robot runs:
    repeat 6 { forward 90 cm; turn right 60° }
    How many cm does it drive in all?
  25. 25.🔁 A drawing robot runs:
    repeat 8 { forward 40 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) square (d) octagon
  26. 26.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 10 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 robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  29. 29.🔁 A drawing robot runs:
    repeat 5 { forward 70 cm; turn right 72° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 5 { forward 85 cm; turn right 72° }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 6 { forward 15 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) pentagon (c) hexagon (d) triangle
  32. 32.🔁 A drawing robot runs:
    repeat 5 { forward 80 cm; turn right 72° }
    How many cm does it drive in all?
  33. 33.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 10 cm; turn right ?° }
    What number goes in place of “?”
  34. 34.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  37. 37.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  38. 38.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 5 { forward 80 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) square (c) pentagon (d) triangle
  40. 40.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?

Answer key

  1. octagon
  2. 6
  3. pentagon
  4. 150
  5. 240
  6. 72
  7. 520
  8. 225
  9. 90
  10. octagon
  11. 360°
  12. 210
  13. 300
  14. hexagon
  15. square
  16. octagon
  17. 80
  18. the same steps repeat
  19. 450
  20. 100
  21. 160
  22. 140
  23. 480
  24. 540
  25. octagon
  26. 130
  27. 200
  28. 72
  29. 350
  30. 425
  31. hexagon
  32. 400
  33. 120
  34. 200
  35. 240
  36. 120
  37. 90
  38. 120
  39. pentagon
  40. 200

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