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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 505 · 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 do we do first: “pick up the book” or “open the first page”? (a) open the first page (b) pick up the book
  2. 2.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) put on toothpaste (b) rinse your mouth (c) brush all your teeth
  3. 3.🔢 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
  4. 4.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  5. 5.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) wet your hands (c) rinse off the soap (d) dry them with a towel
  6. 6.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) cover it with soil (c) put the seed in (d) water it
  7. 7.🔢 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
  8. 8.🔢 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
  9. 9.🔢 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
  10. 10.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rinse off the soap”? (a) rinse off the soap (b) dry them with a towel
  11. 11.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) cover it with soil (b) water it
  12. 12.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) close the book (b) open the first page
  13. 13.🔢 To plant a seed, which do we do first: “water it” or “put the seed in”? (a) water it (b) put the seed in
  14. 14.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) only on Sundays (c) backwards always (d) exactly as written
  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, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) brush all your teeth (b) wet the toothbrush
  17. 17.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) blow air into it (b) play with it
  18. 18.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) cover it with soil (c) put the seed in (d) water it
  19. 19.🔢 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
  20. 20.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) wet your hands (b) rinse off the soap
  21. 21.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth
  22. 22.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) wet the toothbrush (b) rinse your mouth
  23. 23.📋 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
  24. 24.🔢 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
  25. 25.🔢 To brush your teeth, which is the FIRST step? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste (d) wet the toothbrush
  26. 26.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a cloud (c) a pebble (d) a rainbow
  27. 27.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) rinse your mouth (c) wet the toothbrush (d) put on toothpaste
  28. 28.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  29. 29.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) an algorithm (c) a folder (d) a pixel
  30. 30.🔢 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
  31. 31.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “brush all your teeth”? (a) rinse your mouth (b) brush all your teeth
  32. 32.🔢 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
  33. 33.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) blow air into it (c) play with it (d) tie the end
  34. 34.🔢 In an algorithm, the steps must be in the right ___. (a) colour (b) font (c) order (d) size
  35. 35.🔢 To play with a balloon, what comes right after “tie the end”? (a) play with it (b) blow air into it (c) take a balloon
  36. 36.🔢 To plant a seed, which do we do first: “water it” or “cover it with soil”? (a) water it (b) cover it with soil
  37. 37.🔢 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
  38. 38.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) wet your hands (c) dry them with a towel (d) rinse off the soap
  39. 39.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) tie the end (b) play with it
  40. 40.🔢 To wash your hands, what comes right after “rub them with soap”? (a) wet your hands (b) dry them with a towel (c) rinse off the soap

Answer key

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

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