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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 236 · 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 2 { forward 15 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  2. 2.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  3. 3.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 50 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  4. 4.🔁 A drawing robot runs:
    repeat 3 { forward 40 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) hexagon (c) triangle (d) octagon
  5. 5.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  6. 6.🔁 A drawing robot runs:
    repeat 5 { forward 50 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) octagon (d) square
  7. 7.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) square (c) hexagon (d) triangle
  8. 8.🔁 A drawing robot runs:
    repeat 8 { forward 95 cm; turn right 45° }
    How many cm does it drive in all?
  9. 9.🔁 How many sides does a hexagon have? (a) 8 (b) 5 (c) 7 (d) 6
  10. 10.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  11. 11.🔁 A drawing robot runs:
    repeat 5 { forward 15 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) pentagon
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  13. 13.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 360° (c) 720° (d) 180°
  14. 14.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 5 { forward 100 cm; turn right 72° }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 8 { forward 40 cm; turn right 45° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  20. 20.🔁 A drawing robot runs:
    repeat 3 { forward 45 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) pentagon (c) octagon (d) triangle
  21. 21.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  22. 22.🔁 A drawing robot runs:
    repeat 4 { forward 80 cm; turn right 90° }
    How many cm does it drive in all?
  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 drawing robot runs:
    repeat 4 { forward 85 cm; turn right 90° }
    How many cm does it drive in all?
  25. 25.🔁 A drawing robot runs:
    repeat 3 { forward 80 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) pentagon (d) square
  26. 26.🔁 A drawing robot runs:
    repeat 4 { forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 4 { forward 70 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) octagon (d) square
  28. 28.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 6 { forward 85 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) hexagon
  31. 31.🔁 A drawing robot runs:
    repeat 8 { forward 40 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) square (c) octagon (d) triangle
  32. 32.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  33. 33.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  34. 34.🔁 A drawing robot runs:
    repeat 8 { forward 70 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) pentagon
  35. 35.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  40. 40.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?

Answer key

  1. 110
  2. 72
  3. 750
  4. triangle
  5. 72
  6. pentagon
  7. triangle
  8. 760
  9. 6
  10. 240
  11. pentagon
  12. 150
  13. 360°
  14. 160
  15. 500
  16. 300
  17. 40
  18. 320
  19. 600
  20. triangle
  21. 1350
  22. 320
  23. the same steps repeat
  24. 340
  25. triangle
  26. 180
  27. square
  28. 80
  29. 60
  30. hexagon
  31. octagon
  32. 60
  33. 120
  34. octagon
  35. 600
  36. 200
  37. 400
  38. 240
  39. 600
  40. 160

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