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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 26 · 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.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 360° (c) 180° (d) 90°
  2. 2.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  3. 3.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  4. 4.🔁 A drawing robot runs:
    repeat 3 { forward 20 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) square (c) pentagon (d) octagon
  5. 5.🔁 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)?
  6. 6.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 45 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  7. 7.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  8. 8.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 15 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 30 cm; turn right 90° }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 3 { forward 95 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) pentagon (c) octagon (d) triangle
  11. 11.🔁 A drawing robot runs:
    repeat 3 { forward 40 cm; turn right 120° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 5 { forward 25 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) triangle (c) pentagon (d) square
  13. 13.🔁 Why do we use a loop to draw a square? (a) the same steps repeat (b) to make it crash (c) loops are colourful (d) squares need 5 sides
  14. 14.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 50 cm; turn right ?° }
    What number goes in place of “?”
  15. 15.🔁 A drawing robot runs:
    repeat 5 { forward 40 cm; turn right 72° }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) square (c) triangle (d) octagon
  18. 18.🔁 For a regular shape with n sides, each turn is … (a) 180 degrees always (b) 360 ÷ n degrees (c) n × 360 degrees (d) 90 degrees always
  19. 19.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  20. 20.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  21. 21.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  22. 22.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) triangle (d) square
  24. 24.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  25. 25.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  27. 27.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  28. 28.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  29. 29.🔁 A drawing robot runs:
    repeat 6 { forward 55 cm; turn right 60° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  32. 32.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 5 { forward 70 cm; turn right 72° }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 4 { forward 100 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) triangle (d) square
  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 drawing robot runs:
    repeat 4 { 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 15 cm; turn right 90° } }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 8 { forward 50 cm; turn right 45° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  40. 40.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 45 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?

Answer key

  1. 360°
  2. 130
  3. 120
  4. triangle
  5. 600
  6. 1350
  7. 120
  8. 150
  9. 120
  10. triangle
  11. 120
  12. pentagon
  13. the same steps repeat
  14. 120
  15. 200
  16. 100
  17. triangle
  18. 360 ÷ n degrees
  19. 190
  20. 72
  21. 625
  22. 160
  23. triangle
  24. 1000
  25. 120
  26. 240
  27. 60
  28. 120
  29. 330
  30. 80
  31. 700
  32. 40
  33. 350
  34. square
  35. 60
  36. 400
  37. 240
  38. 400
  39. 300
  40. 450

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