← Loops and shapes lesson New set →

Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 240 · 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.🔁 For a regular shape with n sides, each turn is … (a) 180 degrees always (b) n × 360 degrees (c) 360 ÷ n degrees (d) 90 degrees always
  2. 2.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  3. 3.🔁 Why do we use a loop to draw a square? (a) squares need 5 sides (b) the same steps repeat (c) to make it crash (d) loops are colourful
  4. 4.🔁 A drawing robot runs:
    repeat 4 { forward 10 cm; turn right 90° }
    Which shape does it draw?     (a) octagon (b) square (c) hexagon (d) pentagon
  5. 5.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  6. 6.🔁 A drawing robot runs:
    repeat 6 { forward 65 cm; turn right 60° }
    How many cm does it drive in all?
  7. 7.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  8. 8.🔁 A drawing robot runs:
    repeat 3 { forward 80 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) octagon (c) hexagon (d) triangle
  9. 9.🔁 A drawing robot runs:
    repeat 3 { forward 55 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) triangle (d) pentagon
  10. 10.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  11. 11.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 45 cm; turn right ?° }
    What number goes in place of “?”
  12. 12.🔁 A drawing robot runs:
    repeat 6 { forward 10 cm; turn right 60° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) triangle (d) hexagon
  13. 13.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  14. 14.🔁 A drawing robot runs:
    repeat 5 { forward 100 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) pentagon (d) square
  15. 15.🔁 A drawing robot runs:
    repeat 8 { forward 20 cm; turn right 45° }
    How many cm does it drive in all?
  16. 16.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  17. 17.🔁 A drawing robot runs:
    repeat 5 { forward 50 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) pentagon
  18. 18.🔁 A drawing robot runs:
    repeat 8 { forward 85 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) square (d) octagon
  19. 19.🔁 A drawing robot runs:
    repeat 3 { forward 85 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) octagon
  20. 20.🔁 A drawing robot runs:
    repeat 5 { forward 55 cm; turn right 72° }
    How many cm does it drive in all?
  21. 21.🔁 How many sides does a hexagon have? (a) 6 (b) 5 (c) 7 (d) 8
  22. 22.🔁 A drawing robot runs:
    repeat 5 { forward 30 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) pentagon (c) hexagon (d) triangle
  23. 23.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  24. 24.🔁 A drawing robot runs:
    repeat 3 { forward 30 cm; turn right 120° }
    How many cm does it drive in all?
  25. 25.🔁 A drawing robot runs:
    repeat 3 { forward 70 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) hexagon (d) triangle
  26. 26.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) hexagon (c) pentagon (d) triangle
  28. 28.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) square (d) triangle
  30. 30.🔁 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?
  31. 31.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  32. 32.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 5 { forward 30 cm; turn right 72° }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) octagon (c) triangle (d) hexagon
  36. 36.🔁 A drawing robot runs:
    repeat 8 { forward 30 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) octagon (d) square
  37. 37.🔁 A drawing robot runs:
    repeat 8 { forward 65 cm; turn right 45° }
    Which shape does it draw?     (a) triangle (b) pentagon (c) octagon (d) hexagon
  38. 38.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  39. 39.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 10 cm; turn right ?° }
    What number goes in place of “?”
  40. 40.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 100 cm; turn right ?° }
    What number goes in place of “?”

Answer key

  1. 360 ÷ n degrees
  2. 110
  3. the same steps repeat
  4. square
  5. 60
  6. 390
  7. 72
  8. triangle
  9. triangle
  10. 300
  11. 120
  12. hexagon
  13. 60
  14. pentagon
  15. 160
  16. 90
  17. pentagon
  18. octagon
  19. triangle
  20. 275
  21. 6
  22. pentagon
  23. 1925
  24. 90
  25. triangle
  26. 120
  27. square
  28. 210
  29. octagon
  30. 150
  31. 825
  32. 170
  33. 70
  34. 150
  35. triangle
  36. octagon
  37. octagon
  38. 120
  39. 60
  40. 120

Free robotics lessons, practice and worksheets at talentjr.in/robotics-for-kids