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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 226 · 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 25 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  2. 2.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  3. 3.🔁 A drawing robot runs:
    repeat 2 { forward 35 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 robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 50 cm; turn right ?° }
    What number goes in place of “?”
  5. 5.🔁 Why do we use a loop to draw a square? (a) loops are colourful (b) to make it crash (c) the same steps repeat (d) squares need 5 sides
  6. 6.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  7. 7.🔁 A drawing robot runs:
    repeat 8 { forward 70 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) triangle (d) square
  8. 8.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) pentagon (d) square
  9. 9.🔁 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
  10. 10.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 50 cm; turn right ?° }
    What number goes in place of “?”
  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 2 { forward 45 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  13. 13.🔁 How many sides does a hexagon have? (a) 7 (b) 6 (c) 5 (d) 8
  14. 14.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 8 { forward 65 cm; turn right 45° }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 3 { forward 45 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) pentagon
  17. 17.🔁 A drawing robot runs:
    repeat 4 { forward 65 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) square (d) pentagon
  18. 18.🔁 A drawing robot runs:
    repeat 8 { forward 35 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) hexagon (c) pentagon (d) octagon
  19. 19.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 3 { forward 10 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) triangle (d) square
  21. 21.🔁 A drawing robot runs:
    repeat 8 { forward 55 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) square (c) octagon (d) triangle
  22. 22.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  24. 24.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) pentagon (d) triangle
  25. 25.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  26. 26.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  27. 27.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  28. 28.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  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 3 { forward 90 cm; turn right 120° }
    How many cm does it drive in all?
  31. 31.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  32. 32.🔁 A drawing robot runs:
    repeat 8 { forward 100 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) triangle (d) square
  33. 33.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  35. 35.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  36. 36.🔁 A drawing robot runs:
    repeat 6 { forward 65 cm; turn right 60° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) square (d) pentagon
  37. 37.🔁 A drawing robot runs:
    repeat 6 { forward 20 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) square (c) pentagon (d) triangle
  38. 38.🔁 A drawing robot runs:
    repeat 4 { forward 75 cm; turn right 90° }
    How many cm does it drive in all?
  39. 39.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  40. 40.🔁 A drawing robot runs:
    repeat 4 { forward 100 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) octagon

Answer key

  1. 1375
  2. 60
  3. 1750
  4. 72
  5. the same steps repeat
  6. 1800
  7. octagon
  8. hexagon
  9. 360 ÷ n degrees
  10. 60
  11. 360°
  12. 130
  13. 6
  14. 300
  15. 520
  16. triangle
  17. square
  18. octagon
  19. 120
  20. triangle
  21. octagon
  22. 400
  23. 240
  24. triangle
  25. 1400
  26. 120
  27. 72
  28. 3600
  29. 260
  30. 270
  31. 60
  32. octagon
  33. 160
  34. 160
  35. 45
  36. hexagon
  37. hexagon
  38. 300
  39. 90
  40. square

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