Estimating Values of Expressions

This Estimating Values of Expressions handout & reference also includes:

You can't evaluate an irrational root expression without a calculator—or can you? Scholars estimate the value of roots within an expression to approximate the value of the expression. Expressions include a mix of square roots and whole numbers.

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CCSS: Designed
Instructional Ideas

  • Ask individuals to show each step as they evaluate the expressions
Classroom Considerations

  • It may be necessary to review order of operations, depending on your classes
  • Requires Internet access to view the included video
  • The sixth lesson in a series of seven
Pros

  • Video resource efficiently provides examples to guide pupils through problems
Cons

  • There is no reference to the purpose or real-life application of this concept
Common Core