← Loops and shapes lesson New set →

Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 290 · 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 4 { forward 30 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) hexagon (c) pentagon (d) square
  2. 2.🔁 Why do we use a loop to draw a square? (a) squares need 5 sides (b) to make it crash (c) the same steps repeat (d) loops are colourful
  3. 3.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  4. 4.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  5. 5.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 180° (b) 720° (c) 360° (d) 90°
  6. 6.🔁 A drawing robot runs:
    repeat 4 { forward 20 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) square (c) octagon (d) pentagon
  7. 7.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  8. 8.🔁 A drawing robot runs:
    repeat 6 { forward 100 cm; turn right 60° }
    How many cm does it drive in all?
  9. 9.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  10. 10.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  11. 11.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  12. 12.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 50 cm; turn right ?° }
    What number goes in place of “?”
  13. 13.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?
  14. 14.🔁 For a regular shape with n sides, each turn is … (a) n × 360 degrees (b) 90 degrees always (c) 360 ÷ n degrees (d) 180 degrees always
  15. 15.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 45 cm; turn right ?° }
    What number goes in place of “?”
  16. 16.🔁 A drawing robot runs:
    repeat 5 { forward 90 cm; turn right 72° }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  18. 18.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  19. 19.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  20. 20.🔁 A drawing robot runs:
    repeat 4 { forward 75 cm; turn right 90° }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 3 { forward 95 cm; turn right 120° }
    How many cm does it drive in all?
  22. 22.🔁 A robot must draw a regular hexagon (6 equal sides):
    repeat 6 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
  23. 23.🔁 A drawing robot runs:
    repeat 5 { forward 60 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) square (d) octagon
  24. 24.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  25. 25.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 6 { forward 90 cm; turn right 60° }
    Which shape does it draw?     (a) square (b) hexagon (c) triangle (d) octagon
  27. 27.🔁 A drawing robot runs:
    repeat 3 { forward 30 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) triangle (c) pentagon (d) hexagon
  28. 28.🔁 A drawing robot runs:
    repeat 6 { forward 15 cm; turn right 60° }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 8 { forward 15 cm; turn right 45° }
    How many cm does it drive in all?
  30. 30.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 15 cm; turn right ?° }
    What number goes in place of “?”
  31. 31.🔁 A drawing robot runs:
    repeat 8 { forward 20 cm; turn right 45° }
    How many cm does it drive in all?
  32. 32.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 8 { forward 10 cm; turn right 45° }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  35. 35.🔁 A drawing robot runs:
    repeat 2 { forward 55 cm; turn right 90°; forward 30 cm; turn right 90° }
    How many cm does it drive in all?
  36. 36.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  37. 37.🔁 A drawing robot runs:
    repeat 4 { forward 15 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) square (d) pentagon
  38. 38.🔁 A drawing robot runs:
    repeat 5 { forward 95 cm; turn right 72° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) triangle (d) square
  39. 39.🔁 A drawing robot runs:
    repeat 3 { forward 60 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) pentagon (d) square
  40. 40.🔁 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)?

Answer key

  1. square
  2. the same steps repeat
  3. 600
  4. 150
  5. 360°
  6. square
  7. 160
  8. 600
  9. 45
  10. 150
  11. 300
  12. 120
  13. 150
  14. 360 ÷ n degrees
  15. 120
  16. 450
  17. 1375
  18. 200
  19. 300
  20. 300
  21. 285
  22. 60
  23. pentagon
  24. 45
  25. 80
  26. hexagon
  27. triangle
  28. 90
  29. 120
  30. 72
  31. 160
  32. 80
  33. 80
  34. 1350
  35. 170
  36. 120
  37. square
  38. pentagon
  39. triangle
  40. 375

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