# GCSE AQA

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## 8525 Unit 1: Fundamentals of algorithms

### Specification 8525 from 2020 - Paper 1

Unplugged Unit
Perfect for lessons away from computers or workshops.
1

## Inside the Unit...

### Areas Covered

• Lesson 1 Algorithms, decomposition and abstraction
• Lesson 2 Developing algorithms using flowcharts
• Lesson 3 Developing algorithms using pseudo-code
• Lesson 4 Searching algorithms
• Lesson 5 Sorting algorithms
• Lesson 6 Assessment

There are 5 worksheets, 5 homework tasks, and an assessment test, each with answers included in this unit.

## Summary

This unit focuses on Section 3.1 Representing algorithms of the new AQA 8525 specification, and begins by covering decomposition and abstraction. Further lessons in the unit cover algorithms, flowcharts and pseudo-code, before looking at specific algorithms for sorting and searching, including the bubble and merge sorts. A final lesson covers the efficiency of algorithms, comparing the processing time and results of different algorithms on the same data sets.

## What's included in the toolkit?

The GCSE units have been written to satisfy the specification for Paper 1 and Paper 2 of the AQA 8525 Computer Science GCSE. 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...

Bill Robinson. Head of Computing, Gresham's School

The AQA GCSE theory book has been brilliant.

Mr Naman Yasin. Teacher of Computer Science, Broughton High School

## Inside the Unit...

### Areas Covered

• Lesson 1 Algorithms, decomposition and abstraction
• Lesson 2 Developing algorithms using flowcharts
• Lesson 3 Developing algorithms using pseudo-code
• Lesson 4 Searching algorithms
• Lesson 5 Sorting algorithms
• Lesson 6 Assessment

There are 5 worksheets, 5 homework tasks, and an assessment test, each with answers included in this unit.

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