Class 5 Computer Worksheet: Algorithms
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.🔢 To read a storybook, which do we do first: “read the story” or “pick up the book”? (a) pick up the book (b) read the story
- 2.🔢 To brush your teeth, which do we do first: “rinse your mouth” or “wet the toothbrush”? (a) rinse your mouth (b) wet the toothbrush
- 3.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) put the seed in (b) dig a small hole
- 4.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) dry them with a towel (c) wet your hands (d) rinse off the soap
- 5.🔢 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
- 6.🔢 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
- 7.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
- 8.🔢 To plant a seed, what comes right after “put the seed in”? (a) water it (b) dig a small hole (c) cover it with soil
- 9.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) wet the toothbrush (c) rinse your mouth (d) put on toothpaste
- 10.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) brush all your teeth (c) put on toothpaste
- 11.🔢 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
- 12.🔢 To wash your hands, which is the LAST step? (a) rub them with soap (b) rinse off the soap (c) wet your hands (d) dry them with a towel
- 13.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) wet the toothbrush (b) put on toothpaste (c) rinse your mouth
- 14.📝 What do we call a list of steps to solve a problem? (a) a pixel (b) a mouse (c) a folder (d) an algorithm
- 15.🔢 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
- 16.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush
- 17.🔢 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
- 18.🔢 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
- 19.🐞 What do we call a mistake in a program? (a) a byte (b) a bug (c) a sprite (d) a cell
- 20.🔢 To read a storybook, which is the LAST step? (a) open the first page (b) read the story (c) pick up the book (d) close the book
- 21.🔢 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
- 22.🔢 To plant a seed, which is the FIRST step? (a) put the seed in (b) water it (c) dig a small hole (d) cover it with soil
- 23.🔢 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
- 24.🔢 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
- 25.🔢 In an algorithm, the steps must be in the right ___. (a) order (b) font (c) size (d) colour
- 26.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) water it (c) put the seed in (d) cover it with soil
- 27.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a program (c) a password (d) a painting
- 28.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
- 29.🔢 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
- 30.🔢 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
- 31.🔧 What is finding and fixing mistakes in a program called? (a) downloading (b) scrolling (c) printing (d) debugging
- 32.🔢 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
- 33.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) brush all your teeth (c) put on toothpaste (d) rinse your mouth
- 34.🔢 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
- 35.🔢 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
- 36.🔢 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
- 37.🤖 A computer follows the steps of a program ___. (a) backwards always (b) only on Sundays (c) the way it likes (d) exactly as written
- 38.🔢 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
- 39.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) read the story (c) open the first page (d) close the book
- 40.🔢 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
Answer key
- pick up the book
- wet the toothbrush
- dig a small hole
- wet your hands
- open the first page
- rub them with soap
- dig a small hole
- cover it with soil
- wet the toothbrush
- put on toothpaste
- put the seed in
- dry them with a towel
- rinse your mouth
- an algorithm
- wet your hands
- brush all your teeth
- put the seed in
- take a balloon
- a bug
- close the book
- put the seed in
- dig a small hole
- tie the end
- pick up the book
- order
- water it
- a program
- wet the toothbrush
- brush all your teeth
- wet the toothbrush
- debugging
- play with it
- rinse your mouth
- wet the toothbrush
- play with it
- open the first page
- exactly as written
- wet your hands
- pick up the book
- close the book
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