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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 130 · 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, what comes right after “wet your hands”? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap
  2. 2.🔢 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
  3. 3.🔢 To wash your hands, which do we do first: “rinse off the soap” or “dry them with a towel”? (a) dry them with a towel (b) rinse off the soap
  4. 4.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) play with it (c) blow air into it (d) tie the end
  5. 5.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth
  6. 6.🔢 To plant a seed, what comes right after “dig a small hole”? (a) cover it with soil (b) put the seed in (c) water it
  7. 7.🔢 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
  8. 8.🔢 To play with a balloon, which do we do first: “tie the end” or “take a balloon”? (a) take a balloon (b) tie the end
  9. 9.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) rinse your mouth (b) wet the toothbrush
  10. 10.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) order (c) colour (d) size
  11. 11.🔢 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
  12. 12.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) rub them with soap (c) dry them with a towel (d) wet your hands
  13. 13.🔢 To brush your teeth, which is the LAST step? (a) brush all your teeth (b) wet the toothbrush (c) put on toothpaste (d) rinse your mouth
  14. 14.🔢 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
  15. 15.🔢 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
  16. 16.🔢 To play with a balloon, which do we do first: “tie the end” or “play with it”? (a) tie the end (b) play with it
  17. 17.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) close the book (c) open the first page (d) read the story
  18. 18.🔢 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
  19. 19.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) put the seed in (c) dig a small hole
  20. 20.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) play with it (c) take a balloon
  21. 21.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) wet your hands (b) rub them with soap
  22. 22.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) wet the toothbrush (c) brush all your teeth
  23. 23.🔢 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
  24. 24.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
  25. 25.🔢 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
  26. 26.🔢 To play with a balloon, what comes right after “take a balloon”? (a) blow air into it (b) tie the end (c) play with it
  27. 27.🔢 To wash your hands, which is the FIRST step? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap (d) wet your hands
  28. 28.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a recipe (c) a pebble (d) a rainbow
  29. 29.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “rinse your mouth”? (a) rinse your mouth (b) brush all your teeth
  30. 30.🔢 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
  31. 31.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) water it (c) cover it with soil (d) dig a small hole
  32. 32.📋 What do we call the steps written in a language a computer understands? (a) a password (b) a poem (c) a painting (d) a program
  33. 33.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) put on toothpaste (b) brush all your teeth
  34. 34.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
  35. 35.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  36. 36.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) play with it (c) take a balloon (d) tie the end
  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 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
  39. 39.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) wet your hands (b) rub them with soap
  40. 40.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) downloading (c) printing (d) scrolling

Answer key

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

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