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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 276 · 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 read a storybook, which is the FIRST step? (a) close the book (b) open the first page (c) pick up the book (d) read the story
  2. 2.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap (d) wet your hands
  3. 3.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) open the first page (b) read the story
  4. 4.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) cover it with soil (c) water it
  5. 5.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) pick up the book (b) open the first page
  6. 6.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) brush all your teeth (b) put on toothpaste
  7. 7.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) an algorithm (c) a mouse (d) a folder
  8. 8.🔢 To wash your hands, what comes right after “wet your hands”? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap
  9. 9.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) wet your hands (b) rub them with soap (c) dry them with a towel
  10. 10.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) cover it with soil (c) water it (d) dig a small hole
  11. 11.🔢 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
  12. 12.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste
  13. 13.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) cover it with soil (b) put the seed in
  14. 14.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) blow air into it (b) take a balloon
  15. 15.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) brush all your teeth (b) wet the toothbrush
  16. 16.🔢 To read a storybook, which is the LAST step? (a) read the story (b) open the first page (c) close the book (d) pick up the book
  17. 17.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) close the book (b) pick up the book
  18. 18.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) tie the end (c) blow air into it (d) take a balloon
  19. 19.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) font (c) order (d) colour
  20. 20.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) play with it (c) blow air into it (d) take a balloon
  21. 21.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a pebble (c) a cloud (d) a recipe
  22. 22.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) wet the toothbrush (b) brush all your teeth
  23. 23.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) wet the toothbrush (c) put on toothpaste (d) rinse your mouth
  24. 24.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush (d) put on toothpaste
  25. 25.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) downloading (c) printing (d) scrolling
  26. 26.🔢 To read a storybook, which do we do first: “open the first page” or “close the book”? (a) open the first page (b) close the book
  27. 27.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) dig a small hole (b) put the seed in
  28. 28.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) rub them with soap (b) wet your hands
  29. 29.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rub them with soap”? (a) rub them with soap (b) dry them with a towel
  30. 30.🔢 To play with a balloon, what comes right after “blow air into it”? (a) take a balloon (b) tie the end (c) play with it
  31. 31.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush
  32. 32.🤖 A computer follows the steps of a program ___. (a) backwards always (b) only on Sundays (c) the way it likes (d) exactly as written
  33. 33.🔢 To plant a seed, what comes right after “cover it with soil”? (a) put the seed in (b) dig a small hole (c) water it
  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 plant a seed, what comes right after “put the seed in”? (a) water it (b) cover it with soil (c) dig a small hole
  36. 36.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) read the story (b) pick up the book
  37. 37.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  38. 38.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) water it (c) dig a small hole (d) put the seed in
  39. 39.🔢 To play with a balloon, what comes right after “take a balloon”? (a) blow air into it (b) play with it (c) tie the end
  40. 40.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a program (c) a poem (d) a painting

Answer key

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

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