Here’s an example of a SPEED MATH shortcut for MULTIPLYING NUMBERS NEAR 1000 : (Mul) Nr1000 from the MULTIPLICATION category.

When can I use this method?
For multiplying numbers near 1000. The numbers can be either more than 1000 or less than 1000 or a combination of the two.
You may also use this method to multiply numbers a little farther away from 1000 as long as their differences from 1000 are easy to multiply.
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