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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 359 · 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, which is the FIRST step? (a) put on toothpaste (b) wet the toothbrush (c) brush all your teeth (d) rinse your mouth
  2. 2.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) rinse off the soap (c) wet your hands (d) rub them with soap
  3. 3.🔢 To read a storybook, which is the FIRST step? (a) close the book (b) read the story (c) pick up the book (d) open the first page
  4. 4.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) wet the toothbrush (b) brush all your teeth (c) rinse your mouth
  5. 5.🔢 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
  6. 6.🔢 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
  7. 7.🔢 To play with a balloon, which do we do first: “blow air into it” or “tie the end”? (a) blow air into it (b) tie the end
  8. 8.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) put the seed in (b) water it
  9. 9.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) brush all your teeth (b) wet the toothbrush
  10. 10.🔢 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
  11. 11.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) wet the toothbrush (b) brush all your teeth
  12. 12.🔢 To play with a balloon, which is the FIRST step? (a) blow air into it (b) take a balloon (c) play with it (d) tie the end
  13. 13.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) dry them with a towel (c) wet your hands (d) rub them with soap
  14. 14.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) an algorithm (c) a pixel (d) a folder
  15. 15.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) close the book (c) read the story
  16. 16.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) play with it (c) take a balloon
  17. 17.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) dry them with a towel (b) wet your hands
  18. 18.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  19. 19.🔢 To read a storybook, which do we do first: “open the first page” or “pick up the book”? (a) open the first page (b) pick up the book
  20. 20.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) take a balloon (c) play with it (d) blow air into it
  21. 21.🔢 To wash your hands, what comes right after “wet your hands”? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap
  22. 22.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  23. 23.🔢 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
  24. 24.🔢 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
  25. 25.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) play with it (c) blow air into it
  26. 26.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) pick up the book (c) read the story (d) close the book
  27. 27.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) rub them with soap (c) wet your hands
  28. 28.🔢 To wash your hands, which do we do first: “rub them with soap” or “dry them with a towel”? (a) rub them with soap (b) dry them with a towel
  29. 29.🤖 A computer follows the steps of a program ___. (a) exactly as written (b) the way it likes (c) backwards always (d) only on Sundays
  30. 30.🔢 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
  31. 31.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) size (c) order (d) font
  32. 32.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  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 “dig a small hole”? (a) put the seed in (b) dig a small hole
  35. 35.🔢 To plant a seed, which is the LAST step? (a) water it (b) put the seed in (c) cover it with soil (d) dig a small hole
  36. 36.🔢 To play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) take a balloon (b) tie the end
  37. 37.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth (d) wet the toothbrush
  38. 38.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) scrolling (c) printing (d) downloading
  39. 39.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth
  40. 40.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth

Answer key

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

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