MA19.8.5

Mathematics (2019) Grade(s): 8

MA19.8.5

Estimate and compare very large or very small numbers in scientific notation.

Unpacked Content

Knowledge

Students know:
  • that scientific notation is formed using the base ten system and is the reason a 10 is used as the base number.
  • Raising or lowering an exponent has an effect on the place value of the decimal expansion.

Skills

Students are able to:
  • write numbers in standardform in scientific notation.
  • Convert numbers from scientific notation back tostandard form.
  • Use information given in scientific notation to estimate very large or small quantities given in real-world contexts.

Understanding

Students understand that:
  • the movement of decimals in converting between scientific and standard notation is a function of an exponent.
  • Every decimal place represents a power of ten (this is a connection many students have not made yet when thinking about place value).

Vocabulary

  • Scientific Notation

Aligned Learning Resources

The Hound of the Baskervilles 2: The Mysterious Moor
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