(Sq) LD5dx
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.
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.
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.
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.
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.