Learning Trick

Multiplication Tricks
  • September 20, 2025
  • 0 Comments
  • Tokunbo Seyi

Multiplying by 9

27×9=(27×10)−27=270−27=24327\times9=(27\times10)-27=270-27=243Description: Multiply by 10 and subtract the number.
Example:

27×9=(27×10)−27=270−27=243

Note: This is true for any integer.

Tags: Math Trick Multiplication


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