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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 158 · 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 10 cm; turn right 90° }
    How many cm does it drive in all?
  2. 2.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  3. 3.🔁 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
  4. 4.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  5. 5.🔁 For a regular shape with n sides, each turn is … (a) 180 degrees always (b) 360 ÷ n degrees (c) 90 degrees always (d) n × 360 degrees
  6. 6.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 180° (b) 90° (c) 360° (d) 720°
  7. 7.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 45 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  8. 8.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  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 4 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  11. 11.🔁 A drawing robot runs:
    repeat 5 { forward 100 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) triangle (d) square
  12. 12.🔁 A drawing robot runs:
    repeat 5 { forward 60 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) triangle (d) pentagon
  13. 13.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  14. 14.🔁 A drawing robot runs:
    repeat 5 { forward 20 cm; turn right 72° }
    How many cm does it drive in all?
  15. 15.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  16. 16.🔁 How many sides does a hexagon have? (a) 5 (b) 7 (c) 8 (d) 6
  17. 17.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 5 { forward 70 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) octagon (d) square
  19. 19.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  21. 21.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 85 cm; turn right ?° }
    What number goes in place of “?”
  22. 22.🔁 A drawing robot runs:
    repeat 4 { forward 50 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) square (c) octagon (d) triangle
  23. 23.🔁 A drawing robot runs:
    repeat 3 { forward 45 cm; turn right 120° }
    How many cm does it drive in all?
  24. 24.🔁 A drawing robot runs:
    repeat 4 { forward 15 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) pentagon
  25. 25.🔁 A drawing robot runs:
    repeat 2 { forward 30 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 100 cm; turn right 90° }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 4 { forward 85 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) square (d) octagon
  29. 29.🔁 A drawing robot runs:
    repeat 4 { forward 45 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) square (c) hexagon (d) octagon
  30. 30.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 4 { forward 40 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) square (d) triangle
  32. 32.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 4 { forward 100 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) square (d) pentagon
  34. 34.🔁 A drawing robot runs:
    repeat 8 { forward 15 cm; turn right 45° }
    How many cm does it drive in all?
  35. 35.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  36. 36.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 45 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  37. 37.🔁 A drawing robot runs:
    repeat 5 { forward 55 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) octagon (c) pentagon (d) square
  38. 38.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 5 { forward 80 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) triangle (d) octagon
  40. 40.🔁 A drawing robot runs:
    repeat 5 { forward 40 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) hexagon (d) triangle

Answer key

  1. 70
  2. 120
  3. the same steps repeat
  4. 2100
  5. 360 ÷ n degrees
  6. 360°
  7. 900
  8. 90
  9. 40
  10. 80
  11. pentagon
  12. pentagon
  13. 2400
  14. 100
  15. 120
  16. 6
  17. 600
  18. pentagon
  19. 400
  20. 120
  21. 120
  22. square
  23. 135
  24. square
  25. 1050
  26. 400
  27. 180
  28. square
  29. square
  30. 50
  31. square
  32. 80
  33. square
  34. 120
  35. 120
  36. 675
  37. pentagon
  38. 240
  39. pentagon
  40. pentagon

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