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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 67 · 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.🔁 Why do we use a loop to draw a square? (a) to make it crash (b) squares need 5 sides (c) loops are colourful (d) the same steps repeat
  2. 2.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 4 { forward 10 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) triangle (d) square
  4. 4.🔁 How many sides does a hexagon have? (a) 7 (b) 5 (c) 6 (d) 8
  5. 5.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  6. 6.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  7. 7.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  8. 8.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  9. 9.🔁 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)?
  10. 10.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  11. 11.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 90° (c) 180° (d) 360°
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  13. 13.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  15. 15.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  16. 16.🔁 A drawing robot runs:
    repeat 3 { forward 90 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) square (d) triangle
  17. 17.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 3 { forward 90 cm; turn right 120° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 6 { forward 85 cm; turn right 60° }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) octagon (d) square
  23. 23.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  24. 24.🔁 A drawing robot runs:
    repeat 3 { forward 70 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) octagon (d) square
  25. 25.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  26. 26.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 50 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  27. 27.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 8 { forward 50 cm; turn right 45° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 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 55 cm; turn right 90° }
    How many cm does it drive in all?
  32. 32.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  33. 33.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 3 { forward 10 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) triangle (d) pentagon
  36. 36.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) triangle (d) hexagon
  37. 37.🔁 A drawing robot runs:
    repeat 8 { forward 20 cm; turn right 45° }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 8 { forward 60 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) hexagon (c) octagon (d) triangle
  39. 39.🔁 A drawing robot runs:
    repeat 6 { forward 90 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) octagon (d) square
  40. 40.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    How many cm does it drive in all?

Answer key

  1. the same steps repeat
  2. 80
  3. square
  4. 6
  5. 1100
  6. 200
  7. 60
  8. 45
  9. 675
  10. 1750
  11. 360°
  12. 225
  13. 200
  14. 750
  15. 2200
  16. triangle
  17. 120
  18. 270
  19. 480
  20. 160
  21. 510
  22. triangle
  23. 525
  24. triangle
  25. 120
  26. 3000
  27. 195
  28. 120
  29. 400
  30. 60
  31. 180
  32. 90
  33. 360
  34. 300
  35. triangle
  36. triangle
  37. 160
  38. octagon
  39. hexagon
  40. 240

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