Finger Mathematics - How to calculate Faster than a calculator Mental maths - 10

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Published on Oct 20, 2024 This response is partially generated with the help of AI. It may contain inaccuracies.

Table of Contents

Introduction

This tutorial introduces a technique known as Kung Fu Mathematics, which utilizes your fingers to perform quick calculations—often faster than a calculator. This method, also referred to as chisanbop or finger abacus, can enhance your mental math skills significantly.

Step 1: Understanding the Basics of Finger Mathematics

  • Fingers as Tools: Each finger represents a number. The thumb and index finger on each hand can count from 1 to 10.
  • Finger Positions: You can use various finger positions to indicate different numbers and operations.
  • Practice Counting: Familiarize yourself with the way your fingers represent numbers. For instance:
    • Your left hand can represent numbers 1-10.
    • Your right hand can represent numbers 11-20.

Step 2: Learning Number Representations

  • Left Hand Representation:
    • Use your left thumb for 1, index for 2, middle for 3, ring for 4, and pinky for 5.
  • Right Hand Representation:
    • Use your right thumb for 6, index for 7, middle for 8, ring for 9, and pinky for 10.
  • Combining Hands: To represent numbers beyond 10, use both hands. For example, showing three fingers on the left and two on the right indicates 15.

Step 3: Basic Operations

  • Addition:

    • Use your fingers to represent the first number. Then, add the second number by raising additional fingers.
    • Example: To calculate 3 + 4, raise 3 fingers on your left hand, then add 4 fingers across both hands.
  • Subtraction:

    • Start with the total number of fingers and lower the fingers corresponding to the number you want to subtract.
    • Example: For 7 - 2, start with 7 fingers and lower 2.

Step 4: Advanced Techniques

  • Multiplication:

    • Break down the multiplication into simpler additions. For example, to calculate 3 x 4, consider it as 3 + 3 + 3 + 3.
  • Division:

    • Use subtraction repeatedly until you reach zero. Divide 12 by 3 by subtracting 3 until you reach zero, counting how many times you subtracted.

Step 5: Practice Regularly

  • Daily Exercises: Dedicate time each day to practice basic calculations using your fingers.

  • Use Apps and Games: Try mental math games available online to improve speed and accuracy.

  • Engage with Peers: Join math groups or forums to practice with others and exchange tips.

Conclusion

Kung Fu Mathematics empowers you to improve your mental calculation speed using simple finger techniques. By practicing regularly and applying these methods to everyday math problems, you can sharpen your skills and impress others with your quick calculations. Start practicing today and explore further resources for advanced techniques!