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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 58 · 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 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  2. 2.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  3. 3.🔁 A drawing robot runs:
    repeat 3 { forward 85 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) hexagon (d) triangle
  4. 4.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 360° (b) 720° (c) 90° (d) 180°
  5. 5.🔁 A drawing robot runs:
    repeat 5 { forward 70 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) square (c) octagon (d) pentagon
  6. 6.🔁 A drawing robot runs:
    repeat 5 { forward 40 cm; turn right 72° }
    How many cm does it drive in all?
  7. 7.🔁 A drawing robot runs:
    repeat 3 { forward 100 cm; turn right 120° }
    How many cm does it drive in all?
  8. 8.🔁 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)?
  9. 9.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 50 cm; turn right 90° }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  11. 11.🔁 Why do we use a loop to draw a square? (a) loops are colourful (b) the same steps repeat (c) to make it crash (d) squares need 5 sides
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 6 { forward 65 cm; turn right 60° }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 8 { forward 50 cm; turn right 45° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) hexagon
  17. 17.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  18. 18.🔁 How many sides does a hexagon have? (a) 7 (b) 5 (c) 6 (d) 8
  19. 19.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  20. 20.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  21. 21.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { 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 5 cm; turn right 90° } }
    How many cm does it drive in all?
  24. 24.🔁 A drawing robot runs:
    repeat 3 { forward 95 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) square (d) triangle
  25. 25.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  26. 26.🔁 A drawing robot runs:
    repeat 5 { forward 45 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) square (c) hexagon (d) triangle
  27. 27.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  28. 28.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) square (c) pentagon (d) hexagon
  29. 29.🔁 A drawing robot runs:
    repeat 3 { forward 20 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) triangle (c) square (d) hexagon
  30. 30.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 5 { forward 90 cm; turn right 72° }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 6 { forward 75 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) hexagon (c) triangle (d) pentagon
  33. 33.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 3 { forward 60 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) triangle (d) hexagon
  35. 35.🔁 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)?
  36. 36.🔁 A drawing robot runs:
    repeat 8 { forward 60 cm; turn right 45° }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 6 { forward 60 cm; turn right 60° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) pentagon (d) triangle
  38. 38.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  40. 40.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?

Answer key

  1. 100
  2. 45
  3. triangle
  4. 360°
  5. pentagon
  6. 200
  7. 300
  8. 600
  9. 160
  10. 180
  11. the same steps repeat
  12. 140
  13. 390
  14. 400
  15. 200
  16. octagon
  17. 200
  18. 6
  19. 250
  20. 45
  21. 50
  22. 300
  23. 80
  24. triangle
  25. 900
  26. pentagon
  27. 120
  28. square
  29. triangle
  30. 100
  31. 450
  32. hexagon
  33. 170
  34. triangle
  35. 600
  36. 480
  37. hexagon
  38. 360
  39. 90
  40. 70

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