Algorithms - How to Make an Algorithm 2
Can you make an algorithm for making pizza?

Algorithms - How to Make an Algorithm 2

This quiz addresses part of the requirements of the National Curriculum KS1 for children aged 5 and 6 in years 1 and 2 in Computing. Specifically it looks at how to make algorithms and uses the making of a pizza as an example of an algorithm. It is one of 20 quizzes to help you find out about how computers work, and how they affect all our lives.

A journey is a good example of an algorithm. A recipe is another good example of an algorithm. You have to follow the steps in the right order. This quiz is about the steps followed when making a pizza. That’s make a pizza - not just buy one from the shops! So you have to make the dough for the base of the pizza. Then you have to choose the toppings. After that, the pizza has to be baked. Only then is it ready to eat.

  1. Ella and her Dad are making a pizza. The ingredients for the base of the pizza are:

    Flour
    Yeast
    Water

    What is the first step in the algorithm?
    What does Ella use to do the mixing in?
  2. What does Ella do next?
    Ella is making a dough
  3. Ella’s Dad says that the dough needs to be mixed really well.

    What is the next step in the algorithm?
    Ella has already made the dough. Now it needs to be mixed really well
  4. Ella reads the recipe. It says, ‘Leave the dough to rest for 15 minutes.’ Ella’s Dad says that the dough should be left in a warm place.

    What is the next step in the algorithm?
    What does yeast do to the dough? - Makes it rise
  5. After 15 minutes, Ella spreads out the dough into a circle. Her pizza base is ready for the toppings.

    What should Ella write down now for her algorithm?
    Once the dough is spread out, then Ella can add the toppings
  6. Ella has spread out the dough into a circle. What is the next step?
    Which toppings do you like on a pizza?
  7. Ella’s Dad says that the pizza is ready to bake. Ella says, ‘It looks really tasty. I can’t wait to eat my pizza.’

    What is the next step in the algorithm?
    The pizza is baked in an oven
  8. Ella’s Dad looks in the oven. He says that the pizza is ready. So he takes it out of the oven. Ella and her Dad share the pizza. So Ella cuts it in two.

    Which one of these is the next step in the algorithm?
    What fraction of the pizza does Ella give to her Dad? - Half
  9. What comes next?
    Do you like eating pizza?
  10. And then?
    Who does the washing-up in your house?

Author: David Bland

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