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Speed Math Squaring and Square Roots Squaring using Duplex Method

[Speed Math] SQUARING ANY NUMBER USING DUPLEX METHOD

Here’s an example of a SPEED MATH shortcut for SQUARING ANY NUMBER USING DUPLEX METHOD from the SQUARING AND SQUARE ROOTS category.

Make sure to check out DUPLEX CONCEPT to understand how Duplex values of numbers are calculated.

Squaring using Duplex Method

When can I use this method?

For squaring any number.

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pdf Download Practice sheet for SQUARING ANY NUMBER USING DUPLEX METHOD

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Notes –

  1. Make sure to check out DUPLEX CONCEPT to understand how Duplex values of numbers are calculated.
  2. Notice the patterns in which the digits are selected.
  3. Notice the way the individual values are added.
  4. This method uses the concept of (a + b +c +…)2 = a2 + b2 + c2 + … 2ab + 2bc + 2ac + … (It is a simplified version of the Multinomial Theorem)

Related Shortcuts –

None


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