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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 818 · 40 questions
TalentJR

Remember (First, next, last): An algorithm = clear steps in the right order; a program = an algorithm written for a computer. To order steps, ask: what must happen before this step can happen? A mistake is a bug; finding and fixing it is debugging.

NameDateTime takenScore ___ / 40
  1. 1.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush
  2. 2.🔢 To wash your hands, which is the FIRST step? (a) wet your hands (b) rinse off the soap (c) rub them with soap (d) dry them with a towel
  3. 3.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) play with it (b) blow air into it
  4. 4.🔢 To play with a balloon, what comes right after “tie the end”? (a) blow air into it (b) take a balloon (c) play with it
  5. 5.🔢 To play with a balloon, which is the LAST step? (a) play with it (b) take a balloon (c) blow air into it (d) tie the end
  6. 6.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) rub them with soap (c) dry them with a towel (d) wet your hands
  7. 7.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) put the seed in (c) cover it with soil (d) water it
  8. 8.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) rinse off the soap (b) dry them with a towel
  9. 9.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste
  10. 10.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) take a balloon (b) play with it
  11. 11.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  12. 12.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  13. 13.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) dig a small hole (c) put the seed in
  14. 14.🔢 To read a storybook, which is the LAST step? (a) read the story (b) pick up the book (c) open the first page (d) close the book
  15. 15.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) put the seed in (b) water it
  16. 16.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste (d) brush all your teeth
  17. 17.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) put the seed in (b) dig a small hole
  18. 18.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) an algorithm (c) a pixel (d) a folder
  19. 19.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) font (d) colour
  20. 20.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) brush all your teeth (b) put on toothpaste
  21. 21.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) rinse your mouth (b) brush all your teeth
  22. 22.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) exactly as written (c) only on Sundays (d) backwards always
  23. 23.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste (d) wet the toothbrush
  24. 24.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rub them with soap (c) rinse off the soap
  25. 25.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) wet your hands (b) rub them with soap
  26. 26.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) tie the end (c) blow air into it
  27. 27.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) wet your hands (b) rinse off the soap
  28. 28.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) take a balloon (c) tie the end (d) blow air into it
  29. 29.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) put the seed in (b) dig a small hole
  30. 30.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) water it (c) cover it with soil
  31. 31.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) tie the end (b) play with it
  32. 32.🔢 To play with a balloon, which do we do first: “play with it” or “take a balloon”? (a) take a balloon (b) play with it
  33. 33.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  34. 34.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  35. 35.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) pick up the book (b) close the book
  36. 36.🔢 To wash your hands, which do we do first: “rinse off the soap” or “rub them with soap”? (a) rub them with soap (b) rinse off the soap
  37. 37.🔢 To read a storybook, which do we do first: “read the story” or “pick up the book”? (a) read the story (b) pick up the book
  38. 38.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) tie the end (b) blow air into it
  39. 39.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a cloud (c) a pebble (d) a recipe
  40. 40.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) debugging (c) printing (d) downloading

Answer key

  1. brush all your teeth
  2. wet your hands
  3. blow air into it
  4. play with it
  5. play with it
  6. dry them with a towel
  7. dig a small hole
  8. rinse off the soap
  9. rinse your mouth
  10. take a balloon
  11. wet the toothbrush
  12. cover it with soil
  13. water it
  14. close the book
  15. put the seed in
  16. rinse your mouth
  17. dig a small hole
  18. an algorithm
  19. order
  20. put on toothpaste
  21. brush all your teeth
  22. exactly as written
  23. wet the toothbrush
  24. rub them with soap
  25. wet your hands
  26. blow air into it
  27. wet your hands
  28. take a balloon
  29. dig a small hole
  30. cover it with soil
  31. tie the end
  32. take a balloon
  33. dig a small hole
  34. put the seed in
  35. pick up the book
  36. rub them with soap
  37. pick up the book
  38. blow air into it
  39. a recipe
  40. debugging

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