Here’s an example of a **SPEED MATH** shortcut for **SQUARING 3-DIGIT NUMBER : (Sq) 3D** from the **SQUARING AND SQUARE ROOTS** category.

**When can I use this method?**

For squaring any 3 digit number.

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** Download Practice sheet for SQUARING 3-DIGIT NUMBER**

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**Notes –**

- Notice the way the individual values are added.
- This method uses the concept of (a + b +c)
^{2}= a^{2}+ b^{2}+ c^{2}+ 2ab + 2bc + 2ac

**Related Shortcuts –**

Squaring 2-digit Number: (Sq) 2D

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