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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 2 · 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 100 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) triangle (d) square
  2. 2.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  3. 3.🔁 How many sides does a hexagon have? (a) 6 (b) 5 (c) 7 (d) 8
  4. 4.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  5. 5.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  6. 6.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  7. 7.🔁 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
  8. 8.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 3 { forward 80 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) square (c) triangle (d) pentagon
  10. 10.🔁 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?
  11. 11.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  13. 13.🔁 A drawing robot runs:
    repeat 8 { forward 80 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) square (d) triangle
  14. 14.🔁 A drawing robot runs:
    repeat 4 { forward 70 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) octagon (c) square (d) pentagon
  15. 15.🔁 A drawing robot runs:
    repeat 6 { forward 80 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) octagon (c) hexagon (d) square
  16. 16.🔁 A drawing robot runs:
    repeat 4 { forward 65 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) square (d) octagon
  17. 17.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 50 cm; turn right 90° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 4 { forward 45 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) triangle (d) square
  20. 20.🔁 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)?
  21. 21.🔁 Why do we use a loop to draw a square? (a) squares need 5 sides (b) loops are colourful (c) to make it crash (d) the same steps repeat
  22. 22.🔁 A drawing robot runs:
    repeat 6 { forward 15 cm; turn right 60° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) triangle (d) square
  23. 23.🔁 A drawing robot runs:
    repeat 5 { forward 60 cm; turn right 72° }
    How many cm does it drive in all?
  24. 24.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  26. 26.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 180° (c) 360° (d) 90°
  27. 27.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) pentagon (c) triangle (d) octagon
  29. 29.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  31. 31.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 5 { forward 65 cm; turn right 72° }
    How many cm does it drive in all?
  33. 33.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  34. 34.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  35. 35.🔁 A drawing robot runs:
    repeat 5 { forward 60 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) octagon (d) triangle
  36. 36.🔁 A drawing robot runs:
    repeat 6 { forward 20 cm; turn right 60° }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  38. 38.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 40 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 50 cm; turn right ?° }
    What number goes in place of “?”

Answer key

  1. triangle
  2. 100
  3. 6
  4. 45
  5. 240
  6. 1250
  7. 360 ÷ n degrees
  8. 120
  9. triangle
  10. 180
  11. 160
  12. 1650
  13. octagon
  14. square
  15. hexagon
  16. square
  17. 180
  18. 140
  19. square
  20. 1400
  21. the same steps repeat
  22. hexagon
  23. 300
  24. 90
  25. 400
  26. 360°
  27. 170
  28. octagon
  29. 240
  30. 500
  31. 110
  32. 325
  33. 72
  34. 120
  35. pentagon
  36. 120
  37. 300
  38. 120
  39. 2400
  40. 120

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