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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 138 · 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 70 cm; turn right 45° }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 8 { forward 75 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) hexagon (d) triangle
  3. 3.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  4. 4.🔁 For a regular shape with n sides, each turn is … (a) 180 degrees always (b) n × 360 degrees (c) 90 degrees always (d) 360 ÷ n degrees
  5. 5.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  6. 6.🔁 How many sides does a hexagon have? (a) 8 (b) 7 (c) 6 (d) 5
  7. 7.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  8. 8.🔁 A drawing robot runs:
    repeat 6 { forward 25 cm; turn right 60° }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  11. 11.🔁 A drawing robot runs:
    repeat 5 { forward 70 cm; turn right 72° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  16. 16.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 85 cm; turn right ?° }
    What number goes in place of “?”
  17. 17.🔁 A drawing robot runs:
    repeat 3 { forward 30 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) square (d) triangle
  18. 18.🔁 A drawing robot runs:
    repeat 4 { forward 100 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) pentagon (c) octagon (d) triangle
  19. 19.🔁 A drawing robot runs:
    repeat 5 { forward 85 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) pentagon (d) triangle
  20. 20.🔁 A drawing robot runs:
    repeat 4 { forward 70 cm; turn right 90° }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 3 { forward 40 cm; turn right 120° }
    How many cm does it drive in all?
  22. 22.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  23. 23.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 55 cm; turn right 90° }
    How many cm does it drive in all?
  24. 24.🔁 A drawing robot runs:
    repeat 4 { forward 40 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) square (c) pentagon (d) octagon
  25. 25.🔁 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?
  26. 26.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  27. 27.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  29. 29.🔁 A drawing robot runs:
    repeat 6 { forward 65 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) octagon (c) triangle (d) hexagon
  30. 30.🔁 A drawing robot runs:
    repeat 4 { forward 75 cm; turn right 90° }
    How many cm does it drive in all?
  31. 31.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  32. 32.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) square (d) triangle
  33. 33.🔁 A drawing robot runs:
    repeat 8 { forward 65 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) octagon (d) square
  34. 34.🔁 A drawing robot runs:
    repeat 8 { forward 90 cm; turn right 45° }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 4 { forward 45 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) hexagon (d) square
  36. 36.🔁 A drawing robot runs:
    repeat 5 { forward 95 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) square (d) hexagon
  37. 37.🔁 A drawing robot runs:
    repeat 8 { forward 55 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) triangle (d) octagon
  38. 38.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  40. 40.🔁 A drawing robot runs:
    repeat 3 { forward 35 cm; turn right 120° }
    How many cm does it drive in all?

Answer key

  1. 560
  2. octagon
  3. 100
  4. 360 ÷ n degrees
  5. 120
  6. 6
  7. 200
  8. 150
  9. 300
  10. 375
  11. 350
  12. 240
  13. 180
  14. 100
  15. 60
  16. 90
  17. triangle
  18. square
  19. pentagon
  20. 280
  21. 120
  22. 45
  23. 130
  24. square
  25. 140
  26. 1100
  27. 200
  28. 350
  29. hexagon
  30. 300
  31. 72
  32. triangle
  33. octagon
  34. 720
  35. square
  36. pentagon
  37. octagon
  38. 195
  39. 1375
  40. 105

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