Understanding Percentages

learning_notes

Last updated: 8/16/2025

Key Concepts

  • A percentage is a way of expressing a fraction of 100.
  • Converting between percentages, fractions, and decimals (e.g., 25% = 0.25 = ¼).
  • Understanding that "X% of Y" means multiplying X/100 by Y.

Skills Covered

  • Calculate a percentage of a given number.
  • Convert between percentage, fraction, and decimal representations.

Example Problems

  • What is 30% of 150?
  • Convert 0.75 to a percentage.
  • Express (⅖) as a percentage.

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