Edexcel IAL Computer Science – Unit 4 Advanced Practical Programming – Bundle (20 lessons)

A complete, ready-to-teach bundle for Pearson Edexcel International A Level Computer Science (2026): Unit 4 Advanced Practical Programming, in 20 bespoke lessons.

Every lesson comes with:

• Editable PowerPoint slides: goals, starter, explanations, diagrams, worked examples, a quick check, a task and an exit ticket, with teacher notes
• Student worksheet (Word): recall, applied practice and exam-style questions with marks
• Answer sheet (Word): full mark-scheme style answers

Worth £99.80 if bought lesson by lesson.

What’s inside

Topic 17 Programming

• U4.01 Tools, libraries and modules

Topic 18 Representing and handling data

• U4.02 Floating-point data and decimal
• U4.03 Regular expressions
• U4.04 NumPy arrays
• U4.05 Data analysis with pandas
• U4.06 A circular queue in code
• U4.07 A linked list in code
• U4.08 Hash tables and collisions in code
• U4.09 Graphs in code
• U4.10 Binary search trees in code
• U4.11 Recursive tree traversals

Topic 19 Best practice

• U4.12 Best practice on larger problems

Topic 20 Additional programming paradigms

• U4.13 Classes, objects and encapsulation
• U4.14 Aggregation, composition and inheritance
• U4.15 Pure, first-class and lambda functions
• U4.16 map, filter, reduce, comprehensions, zip

Topic 21 Algorithms

• U4.17 Merge sort in code
• U4.18 Quick sort in code
• U4.19 Dijkstra’s algorithm in code
• U4.20 Run-length encoding

Why teachers use it

• Mapped lesson by lesson to the specification, so coverage is easy to track
• Python 3 throughout, as the specification requires
• Fully editable: adapt to your class, timings and school template
• Works for teaching, revision, cover lessons and homework

These are independent resources written for the Pearson Edexcel International Advanced Level Computer Science specification (Issue 1, first teaching 2026; IAS XCP01, IAL YCP01). They are not produced or endorsed by Pearson.