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# Y6 Term 5 We are computational thinkers

National curriculum content

Design, write and debug programs that accomplish specific goals; use sequence, selection and repetition in programs; use logical reasoning to explain how some simple algorithms work and to detect and correct errors in algorithms and programs.

Lesson objectives

1. Learn about algorithms for a ‘guess my number’ game.
2. Learn how more efficient algorithms can solve problems quicker.
3. Use a sort algorithm to sort weights into order.
4. Use the quicksort algorithm to sort things.
5. Create an algorithm to test for prime numbers.
6. Create an algorithm to find the highest common factor of two numbers.

What we want children to know

• How some key algorithms can expressed as programs.
• How some algorithms can are more efficient than others for the same problem.

What skills we want children to develop

• Develop the ability to reason logically about algorithms.
• Create efficient algorithms that achieve a specific goal.
• Design, create and debug programs.

Vocabulary

Algorithm, flowchart, pseudocode, linear search, random search, binary search, selection sort, quicksort.

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