Build understanding in Science and Technology with one-to-one online lessons for Curriculum for Wales. Share your level, current topic and school specification so the tutor can focus on the next skill you need.
Nursery · Reception · Years 1–13Live online support
Trace a program before running it. Track how values change and test ordinary, boundary and invalid inputs. An algorithm should explain a repeatable method independently of a specific interface.
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Match practice to your actual course
The curriculum spans ages 3–16 and six Areas of Learning and Experience. Progression steps are reference points, not rigid year-group targets. GCSE reform is phased by subject and cohort; confirm the specification and exam year. Ask about language-of-instruction availability. Nursery · Reception · Years 1–13. Your school’s subject choices, topic sequence and assessment tasks determine the detailed plan. The practice set below samples algorithms, python and debugging; it is not a complete syllabus or an official exam paper.
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Prepare a useful question for your tutor
Bring one attempted question and show your working or first draft. Explain what you tried and where the reasoning stopped. Together, identify whether the difficulty is confusing assignment with equality or a missing prerequisite, then try a fresh problem independently.
Understand it. Try it. Review it.
Put your science and technology learning into practice.
Worked example · Algorithms, Python and debugging
What does this Python code print? total = 0; then for n in [2, 4, 6]: total = total + n; then print(total).
Start at total = 0.
After each iteration the total is 2, then 6, then 12.
Preview the worksheet