Quality control and tolerances

Use tolerances, the right measuring tools and quality checks to decide whether made parts pass or fail.

⏱ 18 min❓ 8 questions

What you'll be able to do

✔I can work out the upper and lower limits of a toleranced dimension
✔I can decide whether a measured part is acceptable
✔I can choose a suitable measuring tool and quality check for a task

How this works

1Read the short explanations first — they teach you what you need before each question.
2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.

What's inside

8 questions and 1 quick teaching card, including:

🔢Number answer — Work out the answer and type the number.
✅Select all that apply — More than one can be right — pick every option that fits.

👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.

Curriculum: AC9TDE8P03