AQA GCSE Computer Science 3.2 Python String Handling Lesson

AQA GCSE 3.2 Python lesson on string handling: slicing, position, ord and chr, plus 10 Sapphire Award challenges. Exam questions and answers.

A complete lesson covering every part of AQA 8525 3.2.8 String handling operations, sold with the matching Sapphire Award challenge booklet.

The lesson (33 editable slides)

• Indexing, negative indexing and slicing
• Length, position (.find), concatenation, join and split
• Character codes with ord() and chr()
• String conversion: string to integer, string to real, integer to string, real to string
• Input and output formatting
• Practice tasks, including a secret-code (Caesar shift) program, with answers
• AQA pseudo-code, including the SUBSTRING trap: it includes the end position
• AQA-style exam questions with a mark scheme
• Success Check quiz and a “Brain dump” plenary
• Teacher notes on every slide

Sapphire Award challenges (41 to 50)
Ten string programs, including a palindrome checker, word frequency and an email validator. Includes the answer booklet and the Sapphire Award certificate.