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Very large and small measurements
Use metric prefixes and scientific notation to solve problems about cells, viruses, planets and stars.
⏱ 20 min❓ 11 questions
What you'll be able to do
- ✔I can convert between metric prefixes such as nano, micro, kilo and mega using powers of 10
- ✔I can solve problems with microscopic measurements written in scientific notation
- ✔I can solve problems with astronomical distances, including light-years
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
11 questions and 1 quick teaching card, including:
- 🔘Multiple choice — Tap the answer you think is best, then check it.
- ✏️Fill in the blank — Type the missing word to complete the sentence.
👪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: AC9M9M02