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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 160 · 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 10 cm; turn right 45° }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 3 { forward 30 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) square (c) triangle (d) pentagon
  3. 3.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  4. 4.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  5. 5.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  6. 6.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) square (d) triangle
  7. 7.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  8. 8.🔁 A drawing robot runs:
    repeat 4 { forward 100 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) square (c) hexagon (d) octagon
  9. 9.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  11. 11.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 360° (b) 90° (c) 720° (d) 180°
  12. 12.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  13. 13.🔁 How many sides does a hexagon have? (a) 6 (b) 5 (c) 8 (d) 7
  14. 14.🔁 A drawing robot runs:
    repeat 8 { forward 20 cm; turn right 45° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  19. 19.🔁 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
  20. 20.🔁 A drawing robot runs:
    repeat 5 { forward 55 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) triangle (d) square
  21. 21.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  22. 22.🔁 For a regular shape with n sides, each turn is … (a) n × 360 degrees (b) 180 degrees always (c) 90 degrees always (d) 360 ÷ n degrees
  23. 23.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  24. 24.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) pentagon (c) hexagon (d) triangle
  26. 26.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  27. 27.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) pentagon
  28. 28.🔁 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?
  29. 29.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  30. 30.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  31. 31.🔁 A drawing robot runs:
    repeat 4 { forward 85 cm; turn right 90° }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 6 { forward 65 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) square (c) octagon (d) hexagon
  33. 33.🔁 A drawing robot runs:
    repeat 4 { forward 45 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) square (d) pentagon
  34. 34.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  35. 35.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  36. 36.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  37. 37.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  38. 38.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  39. 39.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) triangle (c) octagon (d) pentagon
  40. 40.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 25 cm; turn right ?° }
    What number goes in place of “?”

Answer key

  1. 80
  2. triangle
  3. 160
  4. 45
  5. 120
  6. octagon
  7. 45
  8. square
  9. 40
  10. 80
  11. 360°
  12. 80
  13. 6
  14. 160
  15. 400
  16. 90
  17. 500
  18. 190
  19. the same steps repeat
  20. pentagon
  21. 120
  22. 360 ÷ n degrees
  23. 500
  24. 90
  25. pentagon
  26. 3300
  27. square
  28. 140
  29. 750
  30. 675
  31. 340
  32. hexagon
  33. square
  34. 160
  35. 60
  36. 72
  37. 45
  38. 72
  39. octagon
  40. 45

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