← Loops and shapes lesson New set →

Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 75 · 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.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 720° (b) 180° (c) 90° (d) 360°
  2. 2.🔁 A drawing robot runs:
    repeat 8 { forward 70 cm; turn right 45° }
    How many cm does it drive in all?
  3. 3.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  4. 4.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  5. 5.🔁 Why do we use a loop to draw a square? (a) loops are colourful (b) squares need 5 sides (c) the same steps repeat (d) to make it crash
  6. 6.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    Which shape does it draw?
    (a) pentagon (b) hexagon (c) octagon (d) triangle
  7. 7.🔁 A drawing robot runs:
    repeat 5 { forward 100 cm; turn right 72° }
    Which shape does it draw?
    (a) hexagon (b) square (c) triangle (d) pentagon
  8. 8.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  10. 10.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  11. 11.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  12. 12.🔁 How many sides does a hexagon have? (a) 6 (b) 8 (c) 7 (d) 5
  13. 13.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 3 { forward 35 cm; turn right 120° }
    Which shape does it draw?
    (a) hexagon (b) square (c) triangle (d) pentagon
  15. 15.🔁 A drawing robot runs:
    repeat 4 { forward 85 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 55 cm; turn right ?° }
    What number goes in place of “?”
  17. 17.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  18. 18.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  19. 19.🔁 A drawing robot runs:
    repeat 6 { forward 25 cm; turn right 60° }
    Which shape does it draw?
    (a) octagon (b) triangle (c) hexagon (d) square
  20. 20.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    Which shape does it draw?
    (a) triangle (b) hexagon (c) square (d) octagon
  21. 21.🔁 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?
  22. 22.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    How many cm does it drive in all?
  24. 24.🔁 A drawing robot runs:
    repeat 4 { forward 15 cm; turn right 90° }
    Which shape does it draw?
    (a) pentagon (b) square (c) triangle (d) octagon
  25. 25.🔁 A drawing robot runs:
    repeat 3 { forward 25 cm; turn right 120° }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 5 { forward 85 cm; turn right 72° }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 4 { forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 25 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° }
    How many cm does it drive in all?
  30. 30.🔁 A drawing robot runs:
    repeat 8 { forward 45 cm; turn right 45° }
    Which shape does it draw?
    (a) square (b) octagon (c) hexagon (d) pentagon
  31. 31.🔁 For a regular shape with n sides, each turn is … (a) 360 ÷ n degrees (b) n × 360 degrees (c) 90 degrees always (d) 180 degrees always
  32. 32.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  33. 33.🔁 A drawing robot runs:
    repeat 4 { forward 90 cm; turn right 90° }
    Which shape does it draw?
    (a) octagon (b) pentagon (c) triangle (d) square
  34. 34.🔁 A drawing robot runs:
    repeat 8 { forward 10 cm; turn right 45° }
    Which shape does it draw?
    (a) triangle (b) pentagon (c) square (d) octagon
  35. 35.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  36. 36.🔁 A drawing robot runs:
    repeat 6 { forward 50 cm; turn right 60° }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 55 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  38. 38.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  39. 39.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  40. 40.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 45 cm; turn right ?° }
    What number goes in place of “?”

Answer key

  1. 360°
  2. 560
  3. 600
  4. 45
  5. the same steps repeat
  6. triangle
  7. pentagon
  8. 240
  9. 60
  10. 1225
  11. 120
  12. 6
  13. 200
  14. triangle
  15. 340
  16. 90
  17. 72
  18. 60
  19. hexagon
  20. triangle
  21. 160
  22. 80
  23. 360
  24. square
  25. 75
  26. 425
  27. 40
  28. 90
  29. 200
  30. octagon
  31. 360 ÷ n degrees
  32. 1500
  33. square
  34. octagon
  35. 90
  36. 300
  37. 2750
  38. 130
  39. 90
  40. 72

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