Categories
Addition Subtraction Speed Math Subtraction using Addition

[Speed Math] SUBTRACTION USING ADDITION

Here’s an example of a SPEED MATH shortcut for SUBTRACTION USING ADDITION: (AS) N-M(+) from the ADDITION SUBTRACTION category.

Adding using Subtraction

When can I use this method?

For subtracting any numbers.

[contentblock id=google-adsense-post]

[starrater tpl=10]

[tubepress mode=”playlist” playlistValue=”PL670D17BFF84EEF70″]

pdf Download Practice sheet for SUBTRACTION USING ADDITION

[contentblock id=google-adsense-post]

Notes –

  1. This method uses the concept of rounding up the Subtrahend to a number that is easier to subtract and then compensating the extra difference subtracted by adding it back to the answer.
  2. It allows a faster, easier and mistake proof way of subtracting numbers.


Related Shortcuts –

Adding using Subtraction: (AS)N+M(-)

[contentblock id=speedmath-blockquote]

Leave a Reply

Your email address will not be published. Required fields are marked *