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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 448 · 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 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
  2. 2.🔢 To plant a seed, which is the LAST step? (a) put the seed in (b) water it (c) dig a small hole (d) cover it with soil
  3. 3.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) dig a small hole (b) put the seed in
  4. 4.🔢 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
  5. 5.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) pick up the book (c) open the first page (d) close the book
  6. 6.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) brush all your teeth (b) rinse your mouth
  7. 7.🔢 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
  8. 8.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) tie the end (c) play with it (d) take a balloon
  9. 9.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  10. 10.🔢 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
  11. 11.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  12. 12.🐞 What do we call a mistake in a program? (a) a sprite (b) a byte (c) a cell (d) a bug
  13. 13.🔢 To play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) tie the end (b) take a balloon
  14. 14.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) tie the end (c) play with it (d) blow air into it
  15. 15.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) water it (b) put the seed in
  16. 16.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) brush all your teeth (b) rinse your mouth
  17. 17.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) colour (c) size (d) font
  18. 18.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a pebble (c) a cloud (d) a recipe
  19. 19.🔢 To wash your hands, which do we do first: “rub them with soap” or “rinse off the soap”? (a) rinse off the soap (b) rub them with soap
  20. 20.🔢 To read a storybook, which is the LAST step? (a) read the story (b) pick up the book (c) close the book (d) open the first page
  21. 21.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) dry them with a towel (b) wet your hands (c) rub them with soap
  22. 22.🔢 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
  23. 23.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) debugging (c) scrolling (d) printing
  24. 24.🔢 To read a storybook, which do we do first: “pick up the book” or “close the book”? (a) close the book (b) pick up the book
  25. 25.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) a pixel (c) a folder (d) an algorithm
  26. 26.🔢 To play with a balloon, what comes right after “blow air into it”? (a) play with it (b) tie the end (c) take a balloon
  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 brush your teeth, which is the FIRST step? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth (d) wet the toothbrush
  29. 29.🔢 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
  30. 30.🔢 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
  31. 31.🔢 To wash your hands, which is the LAST step? (a) dry them with a towel (b) wet your hands (c) rub them with soap (d) rinse off the soap
  32. 32.🔢 To read a storybook, which do we do first: “open the first page” or “read the story”? (a) read the story (b) open the first page
  33. 33.🔢 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
  34. 34.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “put on toothpaste”? (a) put on toothpaste (b) rinse your mouth
  35. 35.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  36. 36.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) rinse off the soap (c) dry them with a towel (d) wet your hands
  37. 37.🔢 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
  38. 38.🔢 To play with a balloon, what comes right after “tie the end”? (a) blow air into it (b) play with it (c) take a balloon
  39. 39.🔢 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
  40. 40.🔢 To play with a balloon, what comes right after “take a balloon”? (a) play with it (b) blow air into it (c) tie the end

Answer key

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

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