Speed Math Squaring and Square Roots Squaring using Equidistant Method


Here’s an example of a SPEED MATH shortcut for SQUARING USING EQUIDISTANT METHOD : (Sq) Equidx from the SQUARING AND SQUARE ROOTS category.

Squaring using Equidistant Method

When can I use this method?

For squaring any 2-digit or 3-digit numbers.

One can also use this method to solve higher digit numbers as long as squaring of its component numbers is easy enough.

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pdf Download Practice sheet for SQUARING USING EQUIDISTANT METHOD

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Notes –

  1. This method uses the concept of a2 = [(a + b) (a – b)] + b2 = [a2 – b2] + b2
  2. Use the shortcut 2D or any other 2-digit squaring shortcut to square 2-digit components when squaring 3-digit numbers.

Related Shortcuts –


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