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Converting Length: mm, cm, m, km
Choose sensible length units and convert between millimetres, centimetres, metres and kilometres.
⏱ 15 min❓ 7 questions
What you'll be able to do
- ✔I can choose an appropriate unit for a length
- ✔I can convert between mm, cm, m and km
- ✔I can compare lengths given in different units
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
7 questions and 1 quick teaching card, including:
- 🔢Number answer — Work out the answer and type the number.
👪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.
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Curriculum: AC9M5M01