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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 546 · 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 brush your teeth, which is the FIRST step? (a) brush all your teeth (b) rinse your mouth (c) put on toothpaste (d) wet the toothbrush
  2. 2.🔢 To read a storybook, which is the LAST step? (a) pick up the book (b) open the first page (c) read the story (d) close the book
  3. 3.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) rub them with soap (b) wet your hands
  4. 4.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) rinse off the soap (c) wet your hands (d) dry them with a towel
  5. 5.🔢 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
  6. 6.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  7. 7.🔢 To play with a balloon, which is the FIRST step? (a) tie the end (b) blow air into it (c) take a balloon (d) play with it
  8. 8.🔢 To play with a balloon, which do we do first: “play with it” or “blow air into it”? (a) blow air into it (b) play with it
  9. 9.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) printing (c) scrolling (d) downloading
  10. 10.🔢 To play with a balloon, what comes right after “blow air into it”? (a) take a balloon (b) play with it (c) tie the end
  11. 11.🔢 To wash your hands, what comes right after “rub them with soap”? (a) wet your hands (b) rinse off the soap (c) dry them with a towel
  12. 12.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rinse off the soap (c) rub them with soap
  13. 13.🔢 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
  14. 14.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) play with it (b) blow air into it
  15. 15.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap (d) wet your hands
  16. 16.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “brush all your teeth”? (a) wet the toothbrush (b) brush all your teeth
  17. 17.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
  18. 18.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) rinse your mouth (c) wet the toothbrush (d) brush all your teeth
  19. 19.📋 What do we call the steps written in a language a computer understands? (a) a painting (b) a poem (c) a password (d) a program
  20. 20.🔢 To read a storybook, which do we do first: “close the book” or “open the first page”? (a) open the first page (b) close the book
  21. 21.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth
  22. 22.🔢 To plant a seed, which is the LAST step? (a) water it (b) put the seed in (c) dig a small hole (d) cover it with soil
  23. 23.🔢 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
  24. 24.🔢 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
  25. 25.🔢 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
  26. 26.🔢 To wash your hands, which do we do first: “wet your hands” or “rinse off the soap”? (a) rinse off the soap (b) wet your hands
  27. 27.🔢 To play with a balloon, what comes right after “tie the end”? (a) play with it (b) take a balloon (c) blow air into it
  28. 28.🔢 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
  29. 29.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  30. 30.🔢 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
  31. 31.🔢 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
  32. 32.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) put on toothpaste (b) wet the toothbrush (c) rinse your mouth
  33. 33.🔢 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
  34. 34.🔢 To play with a balloon, which is the LAST step? (a) take a balloon (b) play with it (c) tie the end (d) blow air into it
  35. 35.🔢 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
  36. 36.🔢 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
  37. 37.🔢 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
  38. 38.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) order (c) size (d) colour
  39. 39.🔢 To play with a balloon, which do we do first: “tie the end” or “blow air into it”? (a) tie the end (b) blow air into it
  40. 40.🔢 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

Answer key

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

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