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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 130 · 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 { forward 70 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) triangle (d) square
  2. 2.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  4. 4.🔁 A drawing robot runs:
    repeat 8 { forward 50 cm; turn right 45° }
    How many cm does it drive in all?
  5. 5.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  6. 6.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  7. 7.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    How many cm does it drive in all?
  8. 8.🔁 For a regular shape with n sides, each turn is … (a) 90 degrees always (b) 180 degrees always (c) n × 360 degrees (d) 360 ÷ n degrees
  9. 9.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  11. 11.🔁 A drawing robot runs:
    repeat 4 { forward 90 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) square (d) hexagon
  12. 12.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  13. 13.🔁 How many sides does a hexagon have? (a) 8 (b) 6 (c) 5 (d) 7
  14. 14.🔁 A drawing robot runs:
    repeat 3 { forward 55 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) square (c) hexagon (d) triangle
  15. 15.🔁 A drawing robot runs:
    repeat 4 { forward 55 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) square (d) triangle
  16. 16.🔁 A drawing robot runs:
    repeat 8 { forward 95 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) octagon
  17. 17.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 6 { forward 55 cm; turn right 60° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 5 { forward 65 cm; turn right 72° }
    How many cm does it drive in all?
  21. 21.🔁 Why do we use a loop to draw a square? (a) loops are colourful (b) squares need 5 sides (c) to make it crash (d) the same steps repeat
  22. 22.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  24. 24.🔁 A drawing robot runs:
    repeat 6 { forward 45 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) octagon (d) triangle
  25. 25.🔁 A drawing robot runs:
    repeat 6 { forward 95 cm; turn right 60° }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 3 { forward 60 cm; turn right 120° }
    How many cm does it drive in all?
  27. 27.🔁 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?
  28. 28.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  29. 29.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 180° (b) 720° (c) 360° (d) 90°
  30. 30.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 8 { forward 70 cm; turn right 45° }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 8 { forward 60 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) square (d) octagon
  36. 36.🔁 A drawing robot runs:
    repeat 4 { forward 85 cm; turn right 90° }
    How many cm does it drive in all?
  37. 37.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  38. 38.🔁 A drawing robot runs:
    repeat 6 { forward 50 cm; turn right 60° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  40. 40.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?

Answer key

  1. triangle
  2. 400
  3. 240
  4. 400
  5. 45
  6. 480
  7. 50
  8. 360 ÷ n degrees
  9. 120
  10. 300
  11. square
  12. 40
  13. 6
  14. triangle
  15. square
  16. octagon
  17. 400
  18. 330
  19. 80
  20. 325
  21. the same steps repeat
  22. 45
  23. 120
  24. hexagon
  25. 570
  26. 180
  27. 160
  28. 180
  29. 360°
  30. 195
  31. 360
  32. 150
  33. 70
  34. 560
  35. octagon
  36. 340
  37. 120
  38. 300
  39. 450
  40. 240

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