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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 338 · 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 LAST step? (a) read the story (b) pick up the book (c) open the first page (d) close the book
  2. 2.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) a pixel (c) an algorithm (d) a folder
  3. 3.🔢 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
  4. 4.🔢 To play with a balloon, which do we do first: “play with it” or “take a balloon”? (a) play with it (b) take a balloon
  5. 5.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) dry them with a towel (c) wet your hands (d) rinse off the soap
  6. 6.🔢 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
  7. 7.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) water it (c) put the seed in
  8. 8.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) rinse your mouth (b) put on toothpaste
  9. 9.🔢 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
  10. 10.🔢 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
  11. 11.🔢 To wash your hands, which is the FIRST step? (a) dry them with a towel (b) rub them with soap (c) wet your hands (d) rinse off the soap
  12. 12.🔢 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
  13. 13.🔢 To read a storybook, which do we do first: “open the first page” or “close the book”? (a) close the book (b) open the first page
  14. 14.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) size (c) order (d) font
  15. 15.🔢 To plant a seed, which do we do first: “cover it with soil” or “put the seed in”? (a) cover it with soil (b) put the seed in
  16. 16.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth
  17. 17.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
  18. 18.🔢 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
  19. 19.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
  20. 20.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) open the first page (c) close the book (d) pick up the book
  21. 21.🔢 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
  22. 22.🔢 To plant a seed, which do we do first: “dig a small hole” or “cover it with soil”? (a) dig a small hole (b) cover it with soil
  23. 23.🐞 What do we call a mistake in a program? (a) a byte (b) a sprite (c) a cell (d) a bug
  24. 24.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) put the seed in (c) cover it with soil (d) water it
  25. 25.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  26. 26.🔢 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
  27. 27.🔢 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
  28. 28.🔢 To play with a balloon, which is the FIRST step? (a) blow air into it (b) tie the end (c) play with it (d) take a balloon
  29. 29.🔢 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
  30. 30.🔢 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
  31. 31.🔢 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
  32. 32.🔢 To read a storybook, which do we do first: “open the first page” or “pick up the book”? (a) pick up the book (b) open the first page
  33. 33.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste
  34. 34.🔢 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
  35. 35.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) put on toothpaste (b) brush all your teeth
  36. 36.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) downloading (c) scrolling (d) printing
  37. 37.🔢 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
  38. 38.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) take a balloon (c) play with it (d) tie the end
  39. 39.🔢 To read a storybook, which do we do first: “read the story” or “pick up the book”? (a) pick up the book (b) read the story
  40. 40.🔢 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

Answer key

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

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