# GCSE Edexcel

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1

## Inside the Unit...

### Areas Covered

• Lesson 1: Decomposition and abstraction
• Lesson 2: Developing algorithms using flowcharts
• Lesson 3: Developing algorithms using pseudocode
• Lesson 4: Algorithm output, errors and trace tables
• Lesson 5: Searching algorithms
• Lesson 6: Sorting algorithms
• Lesson 7: Truth tables
• Assessment

There are 7 worksheets, 7 homework tasks, and an assessment test, each with answers included in this unit.

## Summary

This is a theoretical unit covering all of Topic 1: Computational thinking of the Edexcel GCSE (9-1) Computer Science specification (1CP2). The first lesson introduces the concepts of computational thinking; abstraction, decomposition and algorithmic thinking. Lessons on developing algorithms using flowcharts and pseudocode are followed by one on interpreting and correcting algorithms. Standard searching and sorting algorithms are then covered, before a lesson on choosing and evaluating algorithms.

## What's included in the toolkit?

The GCSE units have been written to satisfy the specification for Paper 1 of the 1CP2 Edexcel Computer Science GCSE.

Each units contains:

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

## What people say...

PG Online have some excellent materials that have allowed us to create a structure for our teaching. We use units that help us to prepare our students all the way from Year 7 to a GCSE in Computing and their units allow us to do this effectively.

Stuart Smith. Head of Computing, The Castle School

I’m so impressed with the OCR Computer Science books that’s all I now teach from. We have purchased all our students the revision booklet and the exam one!

Rob Frain. Computer Science Teacher, Lathom High School

## Inside the Unit...

### Areas Covered

• Lesson 1: Decomposition and abstraction
• Lesson 2: Developing algorithms using flowcharts
• Lesson 3: Developing algorithms using pseudocode
• Lesson 4: Algorithm output, errors and trace tables
• Lesson 5: Searching algorithms
• Lesson 6: Sorting algorithms
• Lesson 7: Truth tables
• Assessment

There are 7 worksheets, 7 homework tasks, and an assessment test, each with answers included in this unit.

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