(Sq) LD9d2
Here’s an example of a SPEED MATH shortcut for SQUARING 2-DIGIT NUMBERS ENDING WITH 9 : (Sq) LD9d2 from the SQUARING AND SQUARE ROOTS category.

When can I use this method?
For squaring 2-digit numbers ending with 9.
Here’s an example of a SPEED MATH shortcut for SQUARING 2-DIGIT NUMBERS ENDING WITH 9 : (Sq) LD9d2 from the SQUARING AND SQUARE ROOTS category.

When can I use this method?
For squaring 2-digit numbers ending with 9.
Here’s an example of a SPEED MATH shortcut for SQUARING 2-DIGIT NUMBERS ENDING WITH 9 : (Sq) LD9d2 from the SQUARING AND SQUARE ROOTS category.

When can I use this method?
For squaring 2-digit numbers ending with 9.