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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 293 · 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) pentagon (b) hexagon (c) square (d) triangle
  2. 2.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  3. 3.🔁 How many sides does a hexagon have? (a) 7 (b) 6 (c) 5 (d) 8
  4. 4.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  5. 5.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  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.🔁 Why do we use a loop to draw a square? (a) the same steps repeat (b) loops are colourful (c) to make it crash (d) squares need 5 sides
  8. 8.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 4 { forward 70 cm; turn right 90° }
    How many cm does it drive in all?
  11. 11.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  12. 12.🔁 For a regular shape with n sides, each turn is … (a) n × 360 degrees (b) 90 degrees always (c) 180 degrees always (d) 360 ÷ n degrees
  13. 13.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 8 { forward 90 cm; turn right 45° }
    Which shape does it draw?
    (a) square (b) hexagon (c) octagon (d) pentagon
  15. 15.🔁 A drawing robot runs:
    repeat 6 { forward 35 cm; turn right 60° }
    Which shape does it draw?
    (a) triangle (b) octagon (c) hexagon (d) square
  16. 16.🔁 A drawing robot runs:
    repeat 5 { forward 90 cm; turn right 72° }
    Which shape does it draw?
    (a) pentagon (b) square (c) triangle (d) octagon
  17. 17.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 5 { forward 25 cm; turn right 72° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 5 { forward 35 cm; turn right 72° }
    Which shape does it draw?
    (a) pentagon (b) octagon (c) square (d) triangle
  22. 22.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  23. 23.🔁 A drawing robot runs:
    repeat 4 { forward 35 cm; turn right 90° }
    Which shape does it draw?
    (a) hexagon (b) square (c) octagon (d) pentagon
  24. 24.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    How many cm does it drive in all?
  25. 25.🔁 A drawing robot runs:
    repeat 3 { forward 35 cm; turn right 120° }
    Which shape does it draw?
    (a) triangle (b) square (c) pentagon (d) hexagon
  26. 26.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  27. 27.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  28. 28.🔁 A drawing robot runs:
    repeat 4 { forward 60 cm; turn right 90° }
    Which shape does it draw?
    (a) pentagon (b) square (c) hexagon (d) triangle
  29. 29.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 360° (c) 90° (d) 180°
  30. 30.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  31. 31.🔁 A drawing robot runs:
    repeat 5 { forward 25 cm; turn right 72° }
    Which shape does it draw?
    (a) pentagon (b) triangle (c) square (d) octagon
  32. 32.🔁 A drawing robot runs:
    repeat 5 { forward 95 cm; turn right 72° }
    How many cm does it drive in all?
  33. 33.🔁 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?
  34. 34.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 4 { forward 95 cm; turn right 90° }
    How many cm does it drive in all?
  37. 37.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  38. 38.🔁 A drawing robot runs:
    repeat 6 { forward 45 cm; turn right 60° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 45 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  40. 40.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 15 cm; turn right ?° }
    What number goes in place of “?”

Answer key

  1. triangle
  2. 200
  3. 6
  4. 120
  5. 80
  6. 480
  7. the same steps repeat
  8. 130
  9. 160
  10. 280
  11. 100
  12. 360 ÷ n degrees
  13. 140
  14. octagon
  15. hexagon
  16. pentagon
  17. 300
  18. 125
  19. 360
  20. 500
  21. pentagon
  22. 120
  23. square
  24. 195
  25. triangle
  26. 60
  27. 120
  28. square
  29. 360°
  30. 1125
  31. pentagon
  32. 475
  33. 130
  34. 400
  35. 50
  36. 380
  37. 72
  38. 270
  39. 2475
  40. 120

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