OCR J277 GCSE Computer Science activity: 13 Exam Reference Language tasks to predict, write in Python, run and check. Typed Python answers included.

A structured activity that helps students move from reading OCR Exam Reference Language to writing real Python programs. Ideal for linking J277 2.1 Algorithms and 2.2 Programming fundamentals.

How it works
For each task, students:

1. Read the algorithm in OCR Exam Reference Language and predict the output
2. Write it as a Python program
3. Run it and record the actual output, then compare it with their prediction

13 tasks that build in difficulty
Hello World, a greeting, adding two numbers, odd or even, counting to 10, times tables, a password check, guess the number, an average, reversing a string, linear search, bubble sort, and procedures and functions.

What’s included

• Student activity sheet (editable Word document, A4 landscape)
• Answer sheet with example outputs and typed Python solutions in red

Uses true Exam Reference Language features such as random(), .substring(), .length, step -1, procedure and function.