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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 131 · 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 8 { forward 10 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) octagon (d) square
  2. 2.🔁 Why do we use a loop to draw a square? (a) the same steps repeat (b) to make it crash (c) squares need 5 sides (d) loops are colourful
  3. 3.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) square (d) triangle
  4. 4.🔁 For a regular shape with n sides, each turn is … (a) 180 degrees always (b) 90 degrees always (c) n × 360 degrees (d) 360 ÷ n degrees
  5. 5.🔁 A drawing robot runs:
    repeat 6 { forward 20 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) octagon (d) triangle
  6. 6.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 360° (b) 720° (c) 180° (d) 90°
  7. 7.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  8. 8.🔁 A drawing robot runs:
    repeat 8 { forward 70 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) octagon (c) hexagon (d) pentagon
  9. 9.🔁 A drawing robot runs:
    repeat 3 { forward 20 cm; turn right 120° }
    How many cm does it drive in all?
  10. 10.🔁 How many sides does a hexagon have? (a) 7 (b) 6 (c) 8 (d) 5
  11. 11.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  12. 12.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  13. 13.🔁 A drawing robot runs:
    repeat 4 { forward 90 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) triangle (d) square
  14. 14.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 50 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  15. 15.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  17. 17.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  18. 18.🔁 A drawing robot runs:
    repeat 6 { forward 10 cm; turn right 60° }
    How many cm does it drive in all?
  19. 19.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  20. 20.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 50 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  21. 21.🔁 A drawing robot runs:
    repeat 8 { forward 100 cm; turn right 45° }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) triangle (c) hexagon (d) pentagon
  23. 23.🔁 A drawing robot runs:
    repeat 2 { forward 45 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 4 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  25. 25.🔁 A drawing robot runs:
    repeat 3 { forward 60 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) triangle (d) octagon
  26. 26.🔁 A drawing robot runs:
    repeat 6 { forward 60 cm; turn right 60° }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 50 cm; turn right 90° }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 4 { forward 55 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) triangle (d) square
  30. 30.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 50 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  31. 31.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) octagon (d) triangle
  32. 32.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  33. 33.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  34. 34.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  35. 35.🔁 A drawing robot runs:
    repeat 6 { forward 25 cm; turn right 60° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    How many cm does it drive in all?
  37. 37.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  38. 38.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  39. 39.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  40. 40.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?

Answer key

  1. octagon
  2. the same steps repeat
  3. square
  4. 360 ÷ n degrees
  5. hexagon
  6. 360°
  7. 110
  8. octagon
  9. 60
  10. 6
  11. 120
  12. 90
  13. square
  14. 2250
  15. 120
  16. 2700
  17. 60
  18. 60
  19. 45
  20. 2750
  21. 800
  22. square
  23. 675
  24. 160
  25. triangle
  26. 360
  27. 150
  28. 130
  29. square
  30. 750
  31. octagon
  32. 90
  33. 600
  34. 72
  35. 150
  36. 200
  37. 90
  38. 300
  39. 300
  40. 160

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