Here’s an example of a **SPEED MATH** shortcut for **SQUARING NUMBERS ENDING WITH 5 : (Sq) LD5dx** from the **SQUARING AND SQUARE ROOTS** category.

**When can I use this method?**

For squaring 2-digit numbers or 3-digit numbers ending with 5.

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

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** Download Practice sheet for SQUARING NUMBERS ENDING WITH 5**

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### Notes –

- This method uses the concept (a + 5)
^{2}= [a (a + 10)] + 25, where ‘(a + 5)’ is the number ending with 5 and ‘a’ is the tens place value of that number.

### Related Shortcuts –

None

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