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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 42 · 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 plant a seed, what comes right after “dig a small hole”? (a) water it (b) put the seed in (c) cover it with soil
  2. 2.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) wet your hands (b) dry them with a towel (c) rub them with soap
  3. 3.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
  4. 4.🐞 What do we call a mistake in a program? (a) a byte (b) a cell (c) a sprite (d) a bug
  5. 5.🔢 To wash your hands, what comes right after “rub them with soap”? (a) dry them with a towel (b) wet your hands (c) rinse off the soap
  6. 6.🔢 To read a storybook, which is the LAST step? (a) close the book (b) read the story (c) pick up the book (d) open the first page
  7. 7.🔢 To wash your hands, which do we do first: “wet your hands” or “dry them with a towel”? (a) dry them with a towel (b) wet your hands
  8. 8.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
  9. 9.🔢 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
  10. 10.🔢 To read a storybook, what comes right after “open the first page”? (a) close the book (b) pick up the book (c) read the story
  11. 11.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) wet your hands (b) dry them with a towel
  12. 12.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) font (c) order (d) colour
  13. 13.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  14. 14.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) put the seed in (c) water it (d) cover it with soil
  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 brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste
  17. 17.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a poem (c) a program (d) a painting
  18. 18.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a rainbow (c) a pebble (d) a recipe
  19. 19.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush
  20. 20.🔢 To read a storybook, what comes right after “pick up the book”? (a) close the book (b) read the story (c) open the first page
  21. 21.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) an algorithm (c) a pixel (d) a folder
  22. 22.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth (d) wet the toothbrush
  23. 23.🔢 To play with a balloon, which do we do first: “take a balloon” or “play with it”? (a) play with it (b) take a balloon
  24. 24.🔢 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
  25. 25.🔢 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
  26. 26.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
  27. 27.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) tie the end (c) play with it (d) blow air into it
  28. 28.🔢 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
  29. 29.🔢 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
  30. 30.🔢 To read a storybook, what comes right after “read the story”? (a) close the book (b) open the first page (c) pick up the book
  31. 31.🔢 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
  32. 32.🔢 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
  33. 33.🔢 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
  34. 34.🔢 To read a storybook, which do we do first: “read the story” or “open the first page”? (a) open the first page (b) read the story
  35. 35.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth (d) brush all your teeth
  36. 36.🔢 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
  37. 37.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) wet your hands (c) rinse off the soap (d) dry them with a towel
  38. 38.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) blow air into it (c) play with it
  39. 39.🔢 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
  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. put the seed in
  2. dry them with a towel
  3. wet the toothbrush
  4. a bug
  5. rinse off the soap
  6. close the book
  7. wet your hands
  8. read the story
  9. blow air into it
  10. read the story
  11. wet your hands
  12. order
  13. cover it with soil
  14. water it
  15. wet the toothbrush
  16. put on toothpaste
  17. a program
  18. a recipe
  19. rinse your mouth
  20. open the first page
  21. an algorithm
  22. rinse your mouth
  23. take a balloon
  24. pick up the book
  25. open the first page
  26. wet the toothbrush
  27. play with it
  28. dig a small hole
  29. put the seed in
  30. close the book
  31. put the seed in
  32. blow air into it
  33. dig a small hole
  34. open the first page
  35. wet the toothbrush
  36. take a balloon
  37. wet your hands
  38. play with it
  39. rub them with soap
  40. wet the toothbrush

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