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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 401 · 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 wash your hands, which is the LAST step? (a) rinse off the soap (b) rub them with soap (c) wet your hands (d) dry them with a towel
  2. 2.🔢 To plant a seed, which do we do first: “cover it with soil” or “dig a small hole”? (a) cover it with soil (b) dig a small hole
  3. 3.🔢 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
  4. 4.🐞 What do we call a mistake in a program? (a) a byte (b) a sprite (c) a bug (d) a cell
  5. 5.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) water it (c) put the seed in
  6. 6.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  7. 7.🔢 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
  8. 8.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) play with it (c) blow air into it (d) tie the end
  9. 9.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a painting (c) a poem (d) a program
  10. 10.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) put on toothpaste (c) wet the toothbrush (d) rinse your mouth
  11. 11.🔢 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
  12. 12.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) wet your hands (c) dry them with a towel (d) rub them with soap
  13. 13.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) tie the end (c) blow air into it (d) play with it
  14. 14.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth
  15. 15.🔢 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
  16. 16.🔢 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
  17. 17.🔢 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
  18. 18.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste
  19. 19.🔢 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
  20. 20.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  21. 21.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a rainbow (c) a recipe (d) a pebble
  22. 22.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) take a balloon (c) play with it
  23. 23.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a folder (c) a pixel (d) a mouse
  24. 24.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) dig a small hole (c) cover it with soil (d) water it
  25. 25.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) pick up the book (c) close the book (d) open the first page
  26. 26.🔢 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
  27. 27.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
  28. 28.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) cover it with soil (b) water it
  29. 29.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  30. 30.🔢 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
  31. 31.🔢 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
  32. 32.🔢 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
  33. 33.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) water it (c) cover it with soil (d) put the seed in
  34. 34.🔢 To plant a seed, what comes right after “cover it with soil”? (a) put the seed in (b) water it (c) dig a small hole
  35. 35.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) colour (c) font (d) order
  36. 36.🔢 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
  37. 37.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) rinse your mouth (b) put on toothpaste
  38. 38.🔢 To play with a balloon, which do we do first: “take a balloon” or “blow air into it”? (a) take a balloon (b) blow air into it
  39. 39.🔢 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
  40. 40.🔢 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

Answer key

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

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