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Number Sense and Percents

The essence of the content revolves around developing number sense to efficiently handle percentage problems without the need for a calculator, emphasizing pattern recognition and mental math strategies.
  • Number sense is an intuitive understanding of numbers and arithmetic patterns, developed over time through curiosity and practice.
  • A key method for handling percentages involves starting with finding 10% of a number, and sometimes 1%, to simplify calculations.
  • This approach is presented as both a logical and creative way to solve percentage problems more efficiently than traditional methods.
  • Examples demonstrate how to apply this method to various percentage calculations, illustrating the process and potential for mental calculation.
  • Practice problems are provided to encourage the application of these strategies, highlighting the importance of practice in developing number sense.
Introduction to Number Sense
The Method for Handling Percents
Applying the Method: Examples
Practice Without a Calculator