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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 82 · 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 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  4. 4.🔁 For a regular shape with n sides, each turn is … (a) 90 degrees always (b) 360 ÷ n degrees (c) n × 360 degrees (d) 180 degrees always
  5. 5.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 55 cm; turn right 90° }
    How many cm does it drive in all?
  6. 6.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 50 cm; turn right ?° }
    What number goes in place of “?”
  7. 7.🔁 A drawing robot runs:
    repeat 2 { forward 35 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 drawing robot runs:
    repeat 8 { forward 75 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) octagon (d) square
  9. 9.🔁 Why do we use a loop to draw a square? (a) the same steps repeat (b) squares need 5 sides (c) loops are colourful (d) to make it crash
  10. 10.🔁 How many sides does a hexagon have? (a) 8 (b) 5 (c) 6 (d) 7
  11. 11.🔁 A drawing robot runs:
    repeat 8 { forward 70 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) octagon
  12. 12.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 6 { forward 45 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) octagon (d) square
  15. 15.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 180° (c) 90° (d) 360°
  16. 16.🔁 A drawing robot runs:
    repeat 6 { forward 10 cm; turn right 60° }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  18. 18.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  19. 19.🔁 A drawing robot runs:
    repeat 5 { forward 35 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) square (c) triangle (d) pentagon
  20. 20.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  21. 21.🔁 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)?
  22. 22.🔁 A drawing robot runs:
    repeat 5 { forward 50 cm; turn right 72° }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 6 { forward 95 cm; turn right 60° }
    How many cm does it drive in all?
  24. 24.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 50 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  25. 25.🔁 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?
  26. 26.🔁 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)?
  27. 27.🔁 A drawing robot runs:
    repeat 6 { forward 70 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) hexagon
  28. 28.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 3 { forward 10 cm; turn right 120° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) triangle (c) pentagon (d) square
  31. 31.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  32. 32.🔁 A drawing robot runs:
    repeat 8 { forward 10 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) pentagon (d) octagon
  33. 33.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  34. 34.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  35. 35.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  36. 36.🔁 A drawing robot runs:
    repeat 6 { forward 50 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) square (d) octagon
  37. 37.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  38. 38.🔁 A drawing robot runs:
    repeat 8 { forward 40 cm; turn right 45° }
    How many cm does it drive in all?
  39. 39.🔁 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?
  40. 40.🔁 A drawing robot runs:
    repeat 6 { forward 20 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) octagon (d) triangle

Answer key

  1. 200
  2. 60
  3. 480
  4. 360 ÷ n degrees
  5. 130
  6. 72
  7. 1575
  8. octagon
  9. the same steps repeat
  10. 6
  11. octagon
  12. 160
  13. 300
  14. hexagon
  15. 360°
  16. 60
  17. 130
  18. 60
  19. pentagon
  20. 600
  21. 3300
  22. 250
  23. 570
  24. 500
  25. 160
  26. 600
  27. hexagon
  28. 40
  29. 30
  30. square
  31. 600
  32. octagon
  33. 90
  34. 500
  35. 45
  36. hexagon
  37. 72
  38. 320
  39. 220
  40. hexagon

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