Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 583 · 40 questions

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.

1. 1.🔢 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
2. 2.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) dig a small hole (c) put the seed in (d) water it
3. 3.🔢 To wash your hands, which do we do first: “rinse off the soap” or “wet your hands”? (a) rinse off the soap (b) wet your hands
4. 4.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste
5. 5.🔢 To wash your hands, which is the LAST step? (a) rinse off the soap (b) dry them with a towel (c) rub them with soap (d) wet your hands
6. 6.📋 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
7. 7.🔢 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
8. 8.🔢 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
9. 9.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) put the seed in (c) water it
10. 10.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) take a balloon (b) blow air into it
11. 11.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a rainbow (c) a pebble (d) a cloud
12. 12.🔢 To brush your teeth, which is the LAST step? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth (d) wet the toothbrush
13. 13.🔢 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
14. 14.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
15. 15.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) cover it with soil (c) water it
16. 16.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
17. 17.🔢 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
18. 18.🔢 To read a storybook, which is the LAST step? (a) close the book (b) pick up the book (c) read the story (d) open the first page
19. 19.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
20. 20.🐞 What do we call a mistake in a program? (a) a cell (b) a bug (c) a sprite (d) a byte
21. 21.🔢 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
22. 22.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) brush all your teeth (b) put on toothpaste
23. 23.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) dry them with a towel (c) rinse off the soap (d) wet your hands
24. 24.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
25. 25.🔢 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
26. 26.🔢 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
27. 27.🔢 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
28. 28.🔢 To brush your teeth, which is the FIRST step? (a) put on toothpaste (b) wet the toothbrush (c) brush all your teeth (d) rinse your mouth
29. 29.🔢 In an algorithm, the steps must be in the right ___. (a) size (b) order (c) font (d) colour
30. 30.🔢 To read a storybook, what comes right after “pick up the book”? (a) read the story (b) open the first page (c) close the book
31. 31.🔢 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
32. 32.🔢 To plant a seed, which is the LAST step? (a) water it (b) dig a small hole (c) put the seed in (d) cover it with soil
33. 33.🔢 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
34. 34.🔢 To read a storybook, which do we do first: “open the first page” or “pick up the book”? (a) pick up the book (b) open the first page
35. 35.🤖 A computer follows the steps of a program ___. (a) backwards always (b) only on Sundays (c) the way it likes (d) exactly as written
36. 36.🔢 To read a storybook, what comes right after “open the first page”? (a) close the book (b) read the story (c) pick up the book
37. 37.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) blow air into it (c) play with it (d) tie the end
38. 38.🔢 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
39. 39.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “rinse your mouth”? (a) wet the toothbrush (b) rinse your mouth
40. 40.🔢 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

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