Scientific notation and timescales
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Log in to continueRead very large and small measures and compare intervals in matching units.
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Write 0.002 in scientific notation, with coefficient at least 1 and less than 10.
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Answer: 2 × 10^-3
- Move the decimal point until the coefficient is at least 1 and less than 10.
- Balance the move with a power of ten: 2 × 10^-3.
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Curriculum reference
Victorian Curriculum F–10 Version 2.0
Pi Leo practice scope
Read very large and small measures and compare intervals in matching units.
Read the official VCAA curriculum description (VC2M9M02)
These quizzes practise concepts within this topic. Multiple-choice answers alone do not demonstrate drawing, conducting an investigation or using a digital tool.
Activities to practise beyond the quiz
- Supported by the guided activity; selecting an MCQ does not demonstrate this action.
- VC2M9M02-C01Write a positive measure with a coefficient from 1 to less than 10.
- VC2M9M02-C02Convert to a common unit and exponent before comparing.
- VC2M9M02-C03Represent and compare timescales with digital tools where helpful.
- VC2M9M02-C04Apply and explain scientific notation and timescales using read and connect representations.
- VC2M9M02-C05Apply and explain scientific notation and timescales using calculate and explain each step.
- VC2M9M02-C06Apply and explain scientific notation and timescales using compare evidence and check a claim.
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Subskills
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Descriptor-derived subskills
- D01Powers of tenWrite a positive measure with a coefficient from 1 to less than 10.
- D02Compare large times and small measuresConvert to a common unit and exponent before comparing.
- D03Read and connect representationsApply and explain scientific notation and timescales using read and connect representations.
- D04Calculate and explain each stepApply and explain scientific notation and timescales using calculate and explain each step.
- D05Compare evidence and check a claimApply and explain scientific notation and timescales using compare evidence and check a claim.