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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 645 · 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) wet the toothbrush (c) rinse your mouth
  2. 2.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) put the seed in (b) cover it with soil
  3. 3.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) size (c) order (d) font
  4. 4.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) dig a small hole (b) water it
  5. 5.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) rinse off the soap (c) rub them with soap (d) wet your hands
  6. 6.🔢 To play with a balloon, which do we do first: “tie the end” or “blow air into it”? (a) blow air into it (b) tie the end
  7. 7.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) water it (c) cover it with soil
  8. 8.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) play with it (c) blow air into it
  9. 9.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  10. 10.🔢 To play with a balloon, which is the FIRST step? (a) blow air into it (b) play with it (c) tie the end (d) take a balloon
  11. 11.🔢 To read a storybook, what comes right after “pick up the book”? (a) open the first page (b) read the story (c) close the book
  12. 12.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) rub them with soap (c) dry them with a towel (d) rinse off the soap
  13. 13.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) rinse off the soap (b) wet your hands
  14. 14.🔢 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
  15. 15.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) pick up the book (b) close the book
  16. 16.🐞 What do we call a mistake in a program? (a) a cell (b) a bug (c) a sprite (d) a byte
  17. 17.🔢 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
  18. 18.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a folder (c) an algorithm (d) a mouse
  19. 19.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) wet the toothbrush (c) put on toothpaste (d) rinse your mouth
  20. 20.🔢 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
  21. 21.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) rub them with soap (b) wet your hands
  22. 22.📋 What do we call the steps written in a language a computer understands? (a) a program (b) a painting (c) a poem (d) a password
  23. 23.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) blow air into it (b) take a balloon
  24. 24.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) cover it with soil (b) water it
  25. 25.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) blow air into it (b) play with it
  26. 26.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) dry them with a towel (b) rinse off the soap
  27. 27.🔢 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
  28. 28.🔢 To wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rub them with soap (b) rinse off the soap
  29. 29.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) brush all your teeth (c) wet the toothbrush (d) rinse your mouth
  30. 30.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) open the first page (b) close the book
  31. 31.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) cover it with soil (c) water it
  32. 32.🔢 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
  33. 33.🔢 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
  34. 34.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) water it (c) cover it with soil (d) dig a small hole
  35. 35.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) printing (c) scrolling (d) debugging
  36. 36.🔢 To read a storybook, what comes right after “open the first page”? (a) read the story (b) pick up the book (c) close the book
  37. 37.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  38. 38.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  39. 39.🔢 To wash your hands, which do we do first: “rinse off the soap” or “dry them with a towel”? (a) dry them with a towel (b) rinse off the soap
  40. 40.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) rub them with soap (b) wet your hands (c) dry them with a towel

Answer key

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

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