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A Level OCR

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Unit 12: Algorithms

Component 02

Unplugged Unit
Perfect for lessons away from computers or workshops.
12

Inside the Unit...

Download Free Sample 7.2mb

Areas Covered

This unit consists of sixtopics, each more substantial than a single lesson and intended to be covered over the course of a week.

  • Topic 1: Analysis and design of algorithms
  • Topic 2: Searching algorithms
  • Topic 3: Bubble sort and insertion sort
  • Topic 4: Merge sort and quicksort
  • Topic 5: Graph traversal algorithms
  • Topic 6: Optimisation algorithms
  • Download sample lesson above
  • End of unit assessment

There are six worksheets, six homework tasks, and an examination-style assessment test, each with answers included in this unit.

Summary

This is a theoretical unit covering Section 2.3 Algorithms (except algorithms for stacks, queues, trees and linked lists which are covered in Unit 7). Searching and sorting algorithms (bubble sort, insertion sort, merge sort, quick sort) are explained in an interactive and practical way, with reference to Big-O notation in terms of time and space complexity. Topic 5 tackles standard algorithms for depth-first and breadth-first graph traversals. Optimisation algorithms, such as Dijkstra’s shortest path algorithm and the A* algorithm are covered along with a discussion of intractable problems, in the final topic. 

What's included in the toolkit?

Toolkit

The A Level units have been written to satisfy the specification for Component 1 and Component 2 of the OCR H046/H446 Computer Science AS/A Level. Each unit contains:

  • PowerPoint slides for each topic
  • Detailed lesson plans
  • Learning objectives and outcomes
  • Worksheets and homework activities with answers
  • End-of-unit, exam-style assessment test with answers
  • Other material and links to online resources

What people say...

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I have all of your A Level and GCSE units as well as the A Level textbooks. I have found these materials absolutely invaluable in setting up and quickly establishing a new CS Department at a very traditional school which had not previously offered the subject.

Jackie MacDonald. Department of Computer Science, Glenalmond College

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I have a copy of the existing AS level book and I love the structure and accessibility of it – well done. 

Omar Khan. Computer Science – Subject Lead, ARK All Saints Academy

Relevant Textbooks

Inside the Unit...

  • Download Free Sample 7.2mb

    Areas Covered

    This unit consists of sixtopics, each more substantial than a single lesson and intended to be covered over the course of a week.

    • Topic 1: Analysis and design of algorithms
    • Topic 2: Searching algorithms
    • Topic 3: Bubble sort and insertion sort
    • Topic 4: Merge sort and quicksort
    • Topic 5: Graph traversal algorithms
    • Topic 6: Optimisation algorithms
    • Download sample lesson above
    • End of unit assessment

    There are six worksheets, six homework tasks, and an examination-style assessment test, each with answers included in this unit.

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