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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 288 · 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 10 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  2. 2.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 720° (c) 360° (d) 180°
  3. 3.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  4. 4.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  5. 5.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) square (c) triangle (d) hexagon
  6. 6.🔁 For a regular shape with n sides, each turn is … (a) n × 360 degrees (b) 90 degrees always (c) 360 ÷ n degrees (d) 180 degrees always
  7. 7.🔁 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?
  8. 8.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 8 { forward 100 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) triangle (d) hexagon
  10. 10.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) hexagon (c) pentagon (d) octagon
  11. 11.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 45 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  14. 14.🔁 Why do we use a loop to draw a square? (a) to make it crash (b) loops are colourful (c) squares need 5 sides (d) the same steps repeat
  15. 15.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 10 cm; turn right ?° }
    What number goes in place of “?”
  16. 16.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  17. 17.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  21. 21.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 3 { forward 80 cm; turn right 120° }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 3 { forward 10 cm; turn right 120° }
    How many cm does it drive in all?
  24. 24.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  25. 25.🔁 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)?
  26. 26.🔁 A drawing robot runs:
    repeat 4 { forward 75 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) octagon (c) pentagon (d) triangle
  27. 27.🔁 A drawing robot runs:
    repeat 6 { forward 60 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) square (c) triangle (d) hexagon
  28. 28.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 50 cm; turn right 90° }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) square (d) triangle
  31. 31.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  32. 32.🔁 A drawing robot runs:
    repeat 8 { forward 40 cm; turn right 45° }
    How many cm does it drive in all?
  33. 33.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  34. 34.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  35. 35.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  36. 36.🔁 How many sides does a hexagon have? (a) 7 (b) 6 (c) 5 (d) 8
  37. 37.🔁 A drawing robot runs:
    repeat 8 { forward 10 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) square (c) hexagon (d) octagon
  38. 38.🔁 A drawing robot runs:
    repeat 5 { forward 60 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) square (d) pentagon
  39. 39.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 50 cm; turn right ?° }
    What number goes in place of “?”
  40. 40.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?

Answer key

  1. 400
  2. 360°
  3. 90
  4. 1050
  5. square
  6. 360 ÷ n degrees
  7. 150
  8. 180
  9. octagon
  10. octagon
  11. 150
  12. 80
  13. 2250
  14. the same steps repeat
  15. 120
  16. 60
  17. 200
  18. 500
  19. 100
  20. 60
  21. 80
  22. 240
  23. 30
  24. 50
  25. 1375
  26. square
  27. hexagon
  28. 220
  29. 210
  30. square
  31. 120
  32. 320
  33. 90
  34. 60
  35. 200
  36. 6
  37. octagon
  38. pentagon
  39. 120
  40. 160

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