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Speed Math Squaring 2-digit Number Squaring and Square Roots

[Speed Math] SQUARING 2-DIGIT NUMBER

Here’s an example of a SPEED MATH shortcut for SQUARING 2-DIGIT NUMBER : (Sq) 2D from the SQUARING AND SQUARE ROOTS category.

Squaring 2-digit Number

When can I use this method?

For squaring any 2 digit number.

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pdf Download Practice sheet for SQUARING 2-DIGIT NUMBER-5

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Notes –

  1. Notice the way the individual values are added.
  2. This method uses the concept of (a + b)2 = a2 + 2ab + b2


Related Shortcuts –

Squaring 3-digit Number: (Sq) 3D


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