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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 251 · 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 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) octagon (d) triangle
  4. 4.🔁 A drawing robot runs:
    repeat 4 { forward 55 cm; turn right 90° }
    How many cm does it drive in all?
  5. 5.🔁 A drawing robot runs:
    repeat 8 { forward 20 cm; turn right 45° }
    How many cm does it drive in all?
  6. 6.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 90° (c) 180° (d) 360°
  7. 7.🔁 A drawing robot runs:
    repeat 4 { forward 90 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) pentagon (c) octagon (d) hexagon
  8. 8.🔁 How many sides does a hexagon have? (a) 8 (b) 6 (c) 5 (d) 7
  9. 9.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 3 { forward 10 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) octagon (d) square
  11. 11.🔁 Why do we use a loop to draw a square? (a) squares need 5 sides (b) loops are colourful (c) the same steps repeat (d) to make it crash
  12. 12.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  13. 13.🔁 A drawing robot runs:
    repeat 5 { forward 55 cm; turn right 72° }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  15. 15.🔁 A drawing robot runs:
    repeat 6 { forward 90 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) square (c) hexagon (d) triangle
  16. 16.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 60 cm; turn right ?° }
    What number goes in place of “?”
  21. 21.🔁 A drawing robot runs:
    repeat 6 { forward 70 cm; turn right 60° }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 8 { forward 10 cm; turn right 45° }
    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) octagon (b) hexagon (c) square (d) pentagon
  25. 25.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 6 { forward 100 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) hexagon (d) square
  27. 27.🔁 A drawing robot runs:
    repeat 3 { forward 50 cm; turn right 120° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 5 { forward 35 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) square (d) triangle
  29. 29.🔁 A drawing robot runs:
    repeat 8 { forward 75 cm; turn right 45° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 8 { forward 20 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) square (c) pentagon (d) triangle
  31. 31.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  32. 32.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 6 { forward 10 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) square (d) hexagon
  34. 34.🔁 For a regular shape with n sides, each turn is … (a) 360 ÷ n degrees (b) 90 degrees always (c) n × 360 degrees (d) 180 degrees always
  35. 35.🔁 A drawing robot runs:
    repeat 4 { forward 65 cm; turn right 90° }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 4 { forward 95 cm; turn right 90° }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 5 { forward 10 cm; turn right 72° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  40. 40.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?

Answer key

  1. 40
  2. 120
  3. triangle
  4. 220
  5. 160
  6. 360°
  7. square
  8. 6
  9. 150
  10. triangle
  11. the same steps repeat
  12. 120
  13. 275
  14. 120
  15. hexagon
  16. 195
  17. 240
  18. 130
  19. 300
  20. 120
  21. 420
  22. 320
  23. 80
  24. square
  25. 130
  26. hexagon
  27. 150
  28. pentagon
  29. 600
  30. octagon
  31. 45
  32. 200
  33. hexagon
  34. 360 ÷ n degrees
  35. 260
  36. 240
  37. 380
  38. 50
  39. 200
  40. 400

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