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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 136 · 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 3 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 6 { forward 65 cm; turn right 60° }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  4. 4.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  5. 5.🔁 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)?
  6. 6.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  7. 7.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  8. 8.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) octagon (d) square
  9. 9.🔁 A drawing robot runs:
    repeat 3 { forward 50 cm; turn right 120° }
    How many cm does it drive in all?
  10. 10.🔁 How many sides does a hexagon have? (a) 5 (b) 7 (c) 6 (d) 8
  11. 11.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 5 { forward 35 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) octagon (c) hexagon (d) pentagon
  13. 13.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  14. 14.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  15. 15.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 180° (b) 360° (c) 90° (d) 720°
  16. 16.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  17. 17.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  18. 18.🔁 Why do we use a loop to draw a square? (a) loops are colourful (b) to make it crash (c) squares need 5 sides (d) the same steps repeat
  19. 19.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  20. 20.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 6 { forward 10 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) square (d) triangle
  24. 24.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 55 cm; turn right ?° }
    What number goes in place of “?”
  26. 26.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  27. 27.🔁 A drawing robot runs:
    repeat 8 { forward 70 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) octagon (c) hexagon (d) pentagon
  28. 28.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  29. 29.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  30. 30.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 8 { forward 65 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) square (d) octagon
  32. 32.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) octagon (c) triangle (d) hexagon
  33. 33.🔁 A drawing robot runs:
    repeat 3 { forward 30 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) triangle (d) square
  34. 34.🔁 A drawing robot runs:
    repeat 6 { forward 40 cm; turn right 60° }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 3 { forward 20 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) pentagon (d) octagon
  37. 37.🔁 A drawing robot runs:
    repeat 6 { forward 35 cm; turn right 60° }
    Which shape does it draw?     (a) octagon (b) square (c) pentagon (d) hexagon
  38. 38.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) square (d) hexagon
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; 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 20 cm; turn right 90° }
    How many cm does it drive in all?

Answer key

  1. 180
  2. 390
  3. 40
  4. 3600
  5. 500
  6. 160
  7. 45
  8. octagon
  9. 150
  10. 6
  11. 130
  12. pentagon
  13. 120
  14. 72
  15. 360°
  16. 100
  17. 90
  18. the same steps repeat
  19. 120
  20. 90
  21. 75
  22. 80
  23. hexagon
  24. 90
  25. 120
  26. 72
  27. octagon
  28. 3025
  29. 1400
  30. 480
  31. octagon
  32. hexagon
  33. triangle
  34. 240
  35. 120
  36. triangle
  37. hexagon
  38. square
  39. 140
  40. 60

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