← Loops and shapes lesson New set →

Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 62 · 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 3 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 4 { forward 30 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) hexagon (c) octagon (d) square
  3. 3.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 90° (b) 180° (c) 720° (d) 360°
  4. 4.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  5. 5.🔁 A drawing robot runs:
    repeat 3 { forward 75 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) pentagon (c) hexagon (d) triangle
  6. 6.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 20 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  7. 7.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 70 cm; turn right ?° }
    What number goes in place of “?”
  8. 8.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  9. 9.🔁 Why do we use a loop to draw a square? (a) the same steps repeat (b) loops are colourful (c) to make it crash (d) squares need 5 sides
  10. 10.🔁 A drawing robot runs:
    repeat 4 { forward 55 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) octagon (c) pentagon (d) square
  11. 11.🔁 A drawing robot runs:
    repeat 3 { forward 60 cm; turn right 120° }
    Which shape does it draw?     (a) octagon (b) pentagon (c) triangle (d) hexagon
  12. 12.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 100 cm; turn right ?° }
    What number goes in place of “?”
  13. 13.🔁 A drawing robot runs:
    repeat 2 { forward 15 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  15. 15.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 3 { forward 10 cm; turn right 120° }
    How many cm does it drive in all?
  17. 17.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 50 cm; turn right ?° }
    What number goes in place of “?”
  18. 18.🔁 For a regular shape with n sides, each turn is … (a) n × 360 degrees (b) 90 degrees always (c) 180 degrees always (d) 360 ÷ n degrees
  19. 19.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  20. 20.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  21. 21.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 25 cm; turn right ?° }
    What number goes in place of “?”
  22. 22.🔁 A drawing robot runs:
    repeat 6 { forward 10 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) square (d) triangle
  23. 23.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  24. 24.🔁 A drawing robot runs:
    repeat 5 { forward 45 cm; turn right 72° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) octagon (d) hexagon
  25. 25.🔁 A drawing robot runs:
    repeat 6 { forward 20 cm; turn right 60° }
    Which shape does it draw?     (a) triangle (b) octagon (c) square (d) hexagon
  26. 26.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  27. 27.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 4 { forward 70 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) triangle (c) pentagon (d) square
  29. 29.🔁 A drawing robot runs:
    repeat 3 { forward 100 cm; turn right 120° }
    How many cm does it drive in all?
  30. 30.🔁 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?
  31. 31.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  32. 32.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  33. 33.🔁 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?
  34. 34.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 80 cm; turn right ?° }
    What number goes in place of “?”
  35. 35.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  36. 36.🔁 A drawing robot runs:
    repeat 4 { forward 10 cm; turn right 90° }
    Which shape does it draw?     (a) triangle (b) square (c) octagon (d) hexagon
  37. 37.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 40 cm; turn right ?° }
    What number goes in place of “?”
  38. 38.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 8 { forward 35 cm; turn right 45° }
    Which shape does it draw?     (a) square (b) pentagon (c) triangle (d) octagon
  40. 40.🔁 A drawing robot runs:
    repeat 3 { forward 60 cm; turn right 120° }
    How many cm does it drive in all?

Answer key

  1. 60
  2. square
  3. 360°
  4. 2100
  5. triangle
  6. 800
  7. 120
  8. 400
  9. the same steps repeat
  10. square
  11. triangle
  12. 120
  13. 110
  14. 350
  15. 400
  16. 30
  17. 72
  18. 360 ÷ n degrees
  19. 875
  20. 675
  21. 72
  22. hexagon
  23. 200
  24. pentagon
  25. hexagon
  26. 40
  27. 190
  28. square
  29. 300
  30. 120
  31. 1800
  32. 120
  33. 150
  34. 45
  35. 360
  36. square
  37. 45
  38. 200
  39. octagon
  40. 180

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