← Loops and shapes lesson New set →

Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 246 · 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 { forward 35 cm; turn right 90°; forward 60 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  2. 2.🔁 A drawing robot runs:
    repeat 4 { forward 45 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) square (c) triangle (d) pentagon
  3. 3.🔁 A drawing robot runs:
    repeat 5 { forward 35 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) hexagon (d) square
  4. 4.🔁 A drawing robot runs:
    repeat 3 { forward 65 cm; turn right 120° }
    Which shape does it draw?     (a) pentagon (b) octagon (c) triangle (d) hexagon
  5. 5.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) square (c) hexagon (d) pentagon
  6. 6.🔁 A drawing robot runs:
    repeat 8 { forward 40 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) square (c) triangle (d) octagon
  7. 7.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) hexagon (c) triangle (d) octagon
  8. 8.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 35 cm; turn right ?° }
    What number goes in place of “?”
  9. 9.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    How many cm does it drive in all?
  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 drawing robot runs:
    repeat 4 { forward 15 cm; turn right 90° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 5 { forward 70 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) octagon (d) triangle
  14. 14.🔁 A drawing robot runs:
    repeat 5 { forward 15 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) triangle (d) octagon
  15. 15.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  16. 16.🔁 A drawing robot runs:
    repeat 3 { forward 80 cm; turn right 120° }
    How many cm does it drive in all?
  17. 17.🔁 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?
  18. 18.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  19. 19.🔁 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?
  20. 20.🔁 Why do we use a loop to draw a square? (a) the same steps repeat (b) to make it crash (c) loops are colourful (d) squares need 5 sides
  21. 21.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  22. 22.🔁 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)?
  23. 23.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  24. 24.🔁 A drawing robot runs:
    repeat 3 { 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 100 cm; turn right 120° }
    How many cm does it drive in all?
  26. 26.🔁 For a regular shape with n sides, each turn is … (a) 90 degrees always (b) 180 degrees always (c) n × 360 degrees (d) 360 ÷ n degrees
  27. 27.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 8 { forward 90 cm; turn right 45° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) octagon (d) hexagon
  29. 29.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  30. 30.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 360° (c) 720° (d) 180°
  31. 31.🔁 A drawing robot runs:
    repeat 3 { forward 90 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) pentagon (d) octagon
  32. 32.🔁 A drawing robot runs:
    repeat 5 { forward 100 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) octagon (c) triangle (d) pentagon
  33. 33.🔁 A drawing robot runs:
    repeat 6 { forward 50 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) hexagon (c) octagon (d) triangle
  34. 34.🔁 A drawing robot runs:
    repeat 6 { forward 70 cm; turn right 60° }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 4 { forward 85 cm; turn right 90° }
    How many cm does it drive in all?
  37. 37.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  38. 38.🔁 A drawing robot runs:
    repeat 5 { forward 60 cm; turn right 72° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) triangle (d) square
  39. 39.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
  40. 40.🔁 A drawing robot runs:
    repeat 2 { forward 25 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?

Answer key

  1. 2100
  2. square
  3. pentagon
  4. triangle
  5. triangle
  6. octagon
  7. octagon
  8. 90
  9. 45
  10. 300
  11. 60
  12. 160
  13. pentagon
  14. pentagon
  15. 60
  16. 240
  17. 130
  18. 360
  19. 120
  20. the same steps repeat
  21. 160
  22. 750
  23. 72
  24. 120
  25. 300
  26. 360 ÷ n degrees
  27. 160
  28. octagon
  29. 60
  30. 360°
  31. triangle
  32. pentagon
  33. hexagon
  34. 420
  35. 400
  36. 340
  37. 40
  38. pentagon
  39. 90
  40. 140

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