🔢

Perfect Squares 1-30

Jun 13, 2025

Overview

This lecture covers the perfect squares of the numbers 1 through 30, providing a foundational list useful for mental math, algebra, and number recognition.

List of Perfect Squares 1-30

  • 1² = 1
  • 2² = 4
  • 3² = 9
  • 4² = 16
  • 5² = 25
  • 6² = 36
  • 7² = 49
  • 8² = 64
  • 9² = 81
  • 10² = 100
  • 11² = 121
  • 12² = 144
  • 13² = 169
  • 14² = 196
  • 15² = 225
  • 16² = 256
  • 17² = 289
  • 18² = 324
  • 19² = 361
  • 20² = 400
  • 21² = 441
  • 22² = 484
  • 23² = 529
  • 24² = 576
  • 25² = 625
  • 26² = 676
  • 27² = 729
  • 28² = 784
  • 29² = 841
  • 30² = 900

Key Terms & Definitions

  • Perfect square — A number that is the product of an integer multiplied by itself (e.g., 5² = 25).
  • Squared — The operation of multiplying a number by itself (written as n²).

Action Items / Next Steps

  • Memorize the perfect squares from 1² through 30².
  • Practice recalling these values for faster calculation and problem-solving.
  • Review flashcards or quizzes as needed for reinforcement.