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Robotics Worksheet: Loops and Shapes

Robotics lesson 22: Loops and shapes · Set 207 · 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) 360° (d) 90°
  2. 2.🔁 For a regular shape with n sides, each turn is … (a) 90 degrees always (b) 180 degrees always (c) 360 ÷ n degrees (d) n × 360 degrees
  3. 3.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 30 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 35 cm; turn right 90°; forward 45 cm; turn right 90° }
    How many cm does it drive in all?
  5. 5.🔁 A drawing robot runs:
    repeat 4 { forward 25 cm; turn right 90° }
    Which shape does it draw?     (a) hexagon (b) octagon (c) triangle (d) square
  6. 6.🔁 A drawing robot runs:
    repeat 4 { forward 95 cm; turn right 90° }
    How many cm does it drive in all?
  7. 7.🔁 A drawing robot runs:
    repeat 4 { forward 50 cm; turn right 90° }
    Which shape does it draw?     (a) pentagon (b) triangle (c) hexagon (d) square
  8. 8.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 65 cm; turn right ?° }
    What number goes in place of “?”
  9. 9.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 30 cm; turn right 90° } }
    How many cm does it drive in all?
  10. 10.🔁 How many sides does a hexagon have? (a) 6 (b) 8 (c) 5 (d) 7
  11. 11.🔁 A drawing robot runs:
    repeat 4 { forward 70 cm; turn right 90° }
    How many cm does it drive in all?
  12. 12.🔁 A drawing robot runs:
    repeat 3 { forward 90 cm; turn right 120° }
    Which shape does it draw?     (a) triangle (b) octagon (c) hexagon (d) square
  13. 13.🔁 A drawing robot runs:
    repeat 6 { forward 20 cm; turn right 60° }
    How many cm does it drive in all?
  14. 14.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 75 cm; turn right ?° }
    What number goes in place of “?”
  15. 15.🔁 A drawing robot runs:
    repeat 2 { forward 30 cm; turn right 90°; forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  16. 16.🔁 A drawing robot runs:
    repeat 8 { forward 25 cm; turn right 45° }
    How many cm does it drive in all?
  17. 17.🔁 A drawing robot runs:
    repeat 6 { forward 30 cm; turn right 60° }
    How many cm does it drive in all?
  18. 18.🔁 A drawing robot runs:
    repeat 2 { forward 50 cm; turn right 90°; forward 40 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  19. 19.🔁 A robot must draw a regular square (4 equal sides):
    repeat 4 { forward 45 cm; turn right ?° }
    What number goes in place of “?”
  20. 20.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 20 cm; turn right 90° } }
    How many cm does it drive in all?
  21. 21.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 15 cm; turn right 90° } }
    How many cm does it drive in all?
  22. 22.🔁 A drawing robot runs:
    repeat 5 { forward 40 cm; turn right 72° }
    How many cm does it drive in all?
  23. 23.🔁 A drawing robot runs:
    repeat 3 { forward 55 cm; turn right 120° }
    How many cm does it drive in all?
  24. 24.🔁 A drawing robot runs:
    repeat 4 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  25. 25.🔁 A drawing robot runs:
    repeat 5 { repeat 4 { forward 10 cm; turn right 90° } }
    How many cm does it drive in all?
  26. 26.🔁 A drawing robot runs:
    repeat 2 { forward 20 cm; turn right 90°; forward 35 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  27. 27.🔁 A drawing robot runs:
    repeat 3 { repeat 4 { forward 5 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 15 cm; turn right 90° }
    How many cm does it drive in all?
  29. 29.🔁 A drawing robot runs:
    repeat 2 { forward 10 cm; turn right 90°; forward 50 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  30. 30.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 30 cm; turn right 90° }
    What is the area of the rectangle it draws (in square cm)?
  31. 31.🔁 A drawing robot runs:
    repeat 8 { forward 65 cm; turn right 45° }
    Which shape does it draw?     (a) octagon (b) hexagon (c) square (d) triangle
  32. 32.🔁 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
  33. 33.🔁 A drawing robot runs:
    repeat 3 { forward 55 cm; turn right 120° }
    Which shape does it draw?     (a) hexagon (b) square (c) pentagon (d) triangle
  34. 34.🔁 A drawing robot runs:
    repeat 3 { forward 40 cm; turn right 120° }
    How many cm does it drive in all?
  35. 35.🔁 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)?
  36. 36.🔁 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?
  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 4 { forward 10 cm; turn right 90° }
    How many cm does it drive in all?
  39. 39.🔁 A drawing robot runs:
    repeat 2 { forward 35 cm; turn right 90°; forward 40 cm; turn right 90° }
    How many cm does it drive in all?
  40. 40.🔁 A drawing robot runs:
    repeat 4 { forward 90 cm; turn right 90° }
    Which shape does it draw?     (a) square (b) triangle (c) octagon (d) hexagon

Answer key

  1. 360°
  2. 360 ÷ n degrees
  3. 300
  4. 160
  5. square
  6. 380
  7. square
  8. 90
  9. 360
  10. 6
  11. 280
  12. triangle
  13. 120
  14. 45
  15. 80
  16. 200
  17. 180
  18. 2000
  19. 90
  20. 240
  21. 180
  22. 200
  23. 165
  24. 160
  25. 200
  26. 700
  27. 60
  28. 70
  29. 500
  30. 1050
  31. octagon
  32. the same steps repeat
  33. triangle
  34. 120
  35. 875
  36. 150
  37. 2750
  38. 40
  39. 150
  40. square

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