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.📝 What do we call a list of steps to solve a problem? (a) an algorithm (b) a mouse (c) a pixel (d) a folder
- 2.🔢 To play with a balloon, what comes right after “blow air into it”? (a) tie the end (b) take a balloon (c) play with it
- 3.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) rinse your mouth (b) put on toothpaste (c) brush all your teeth
- 4.🔢 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
- 5.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) dry them with a towel (c) rub them with soap (d) rinse off the soap
- 6.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) water it (b) dig a small hole
- 7.🔢 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
- 8.🔢 To play with a balloon, which do we do first: “take a balloon” or “tie the end”? (a) tie the end (b) take a balloon
- 9.🔢 To plant a seed, which is the FIRST step? (a) dig a small hole (b) put the seed in (c) cover it with soil (d) water it
- 10.🔢 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
- 11.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) put on toothpaste (c) wet the toothbrush
- 12.🔢 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
- 13.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) water it (b) put the seed in
- 14.🔢 To brush your teeth, which is the LAST step? (a) wet the toothbrush (b) rinse your mouth (c) put on toothpaste (d) brush all your teeth
- 15.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) rub them with soap (b) wet your hands (c) dry them with a towel
- 16.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) pick up the book (c) open the first page (d) close the book
- 17.🔢 To plant a seed, what comes right after “put the seed in”? (a) dig a small hole (b) water it (c) cover it with soil
- 18.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole
- 19.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) tie the end (c) blow air into it (d) take a balloon
- 20.🗺️ Which of these is an algorithm in everyday life? (a) a rainbow (b) a cloud (c) a pebble (d) a recipe
- 21.🔢 To play with a balloon, which is the LAST step? (a) blow air into it (b) take a balloon (c) play with it (d) tie the end
- 22.🔢 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
- 23.🔢 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
- 24.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) wet your hands (b) dry them with a towel
- 25.🔢 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
- 26.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) scrolling (c) downloading (d) printing
- 27.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) put the seed in (b) dig a small hole
- 28.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) brush all your teeth (b) put on toothpaste
- 29.🔢 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
- 30.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) colour (c) order (d) size
- 31.🔢 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
- 32.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) put on toothpaste (b) wet the toothbrush
- 33.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
- 34.🔢 To brush your teeth, which is the FIRST step? (a) wet the toothbrush (b) brush all your teeth (c) put on toothpaste (d) rinse your mouth
- 35.🔢 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
- 36.🔢 To wash your hands, which do we do first: “dry them with a towel” or “rub them with soap”? (a) rub them with soap (b) dry them with a towel
- 37.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) water it (c) cover it with soil
- 38.🔢 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
- 39.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “rinse your mouth”? (a) rinse your mouth (b) put on toothpaste
- 40.🔢 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
Answer key
- an algorithm
- tie the end
- put on toothpaste
- wet your hands
- dry them with a towel
- dig a small hole
- open the first page
- take a balloon
- dig a small hole
- play with it
- rinse your mouth
- pick up the book
- put the seed in
- rinse your mouth
- dry them with a towel
- pick up the book
- cover it with soil
- dig a small hole
- take a balloon
- a recipe
- play with it
- rinse off the soap
- water it
- wet your hands
- wet your hands
- debugging
- dig a small hole
- put on toothpaste
- blow air into it
- order
- wet the toothbrush
- wet the toothbrush
- wet the toothbrush
- wet the toothbrush
- take a balloon
- rub them with soap
- put the seed in
- tie the end
- put on toothpaste
- wet the toothbrush
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