← Loops and shapes lesson New set →

Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 55 · 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 { forward 50 cm; turn right 120° }
    How many cm does it drive in all?
  2. 2.🔁 A drawing robot runs:
    repeat 5 { forward 60 cm; turn right 72° }
    Which shape does it draw?     (a) triangle (b) octagon (c) pentagon (d) hexagon
  3. 3.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 90 cm; turn right ?° }
    What number goes in place of “?”
  4. 4.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  5. 5.🔁 A drawing robot runs:
    repeat 8 { forward 40 cm; turn right 45° }
    Which shape does it draw?     (a) hexagon (b) square (c) pentagon (d) octagon
  6. 6.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  7. 7.🔁 A drawing robot runs:
    repeat 3 { forward 15 cm; turn right 120° }
    How many cm does it drive in all?
  8. 8.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  9. 9.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  10. 10.🔁 How many sides does a hexagon have? (a) 8 (b) 7 (c) 5 (d) 6
  11. 11.🔁 A drawing robot runs:
    repeat 6 { forward 20 cm; turn right 60° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 2 { forward 40 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  13. 13.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 60 cm; turn right 90° }
    How many cm does it drive in all?
  14. 14.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 35 cm; turn right 90° }
    How many cm does it drive in all?
  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 octagon (8 equal sides):
    repeat 8 { forward 85 cm; turn right ?° }
    What number goes in place of “?”
  17. 17.🔁 A drawing robot runs:
    repeat 6 { forward 95 cm; turn right 60° }
    How many cm does it drive in all?
  18. 18.🔁 To draw any closed regular shape, a robot turns how many degrees in all? (a) 180° (b) 720° (c) 90° (d) 360°
  19. 19.🔁 Why do we use a loop to draw a square? (a) squares need 5 sides (b) to make it crash (c) loops are colourful (d) the same steps repeat
  20. 20.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 5 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 6 { forward 65 cm; turn right 60° }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    Which shape does it draw?     (a) octagon (b) triangle (c) square (d) hexagon
  23. 23.🔁 A drawing robot runs:
    repeat 5 { forward 100 cm; turn right 72° }
    Which shape does it draw?     (a) square (b) triangle (c) pentagon (d) octagon
  24. 24.🔁 A drawing robot runs:
    repeat 3 { forward 90 cm; turn right 120° }
    How many cm does it drive in all?
  25. 25.🔁 A drawing robot runs:
    repeat 5 { forward 80 cm; turn right 72° }
    How many cm does it drive in all?
  26. 26.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 30 cm; turn right ?° }
    What number goes in place of “?”
  27. 27.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 25 cm; turn right 90° } }
    How many cm does it drive in all?
  28. 28.🔁 A drawing robot runs:
    repeat 6 { forward 10 cm; turn right 60° }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 25 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  30. 30.🔁 A drawing robot runs:
    repeat 4 { forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  31. 31.🔁 A drawing robot runs:
    repeat 3 { forward 10 cm; turn right 120° }
    Which shape does it draw?     (a) square (b) hexagon (c) octagon (d) triangle
  32. 32.🔁 A drawing robot runs:
    repeat 5 { forward 25 cm; turn right 72° }
    How many cm does it drive in all?
  33. 33.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 25 cm; turn right 90° }
    How many cm does it drive in all?
  34. 34.🔁 A drawing robot runs:
    repeat 2 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  35. 35.🔁 A drawing robot runs:
    repeat 2 { forward 60 cm; turn right 90°; forward 15 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  36. 36.🔁 A drawing robot runs:
    repeat 2 { forward 45 cm; turn right 90°; forward 10 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  37. 37.🔁 A drawing robot runs:
    repeat 6 { forward 75 cm; turn right 60° }
    Which shape does it draw?     (a) hexagon (b) pentagon (c) square (d) octagon
  38. 38.🔁 A robot must draw a regular triangle (3 equal sides):
    repeat 3 { forward 45 cm; turn right ?° }
    What number goes in place of “?”
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 20 cm; turn right 90° }
    How many cm does it drive in all?
  40. 40.🔁 A drawing robot runs:
    repeat 3 { forward 70 cm; turn right 120° }
    How many cm does it drive in all?

Answer key

  1. 150
  2. pentagon
  3. 90
  4. 100
  5. octagon
  6. 480
  7. 45
  8. 190
  9. 400
  10. 6
  11. 120
  12. 170
  13. 160
  14. 140
  15. 160
  16. 45
  17. 570
  18. 360°
  19. the same steps repeat
  20. 80
  21. 390
  22. hexagon
  23. pentagon
  24. 270
  25. 400
  26. 120
  27. 300
  28. 60
  29. 250
  30. 160
  31. triangle
  32. 125
  33. 150
  34. 240
  35. 900
  36. 450
  37. hexagon
  38. 120
  39. 80
  40. 210

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