Categories
Multiplication Multiplying with 99 Speed Math

[Speed Math] MULTIPLYING WITH 99

Here’s an example of a SPEED MATH shortcut for MULTIPLYING WITH 99 : (Mul) Nx99 from the MULTIPLICATION category.

Multiplying with 99

When can I use this method?

For multiplying any number with 99.

[contentblock id=google-adsense-post]

[starrater tpl=10]

[tubepress mode=”playlist” playlistValue=”PLngU_U4dGjQd6_89Bvq1b_W8a5WwBEx6i”]

pdf Download Practice sheet for MULTIPLYING WITH 99

[contentblock id=google-adsense-post]

Notes –

  1. The separator should be inserted before the ten’s (10’s) digit.
  2. The complement of a number is what you need to add to it to make it up to some specified total – in this case 100.

Related Shortcuts –

Multiplying with 9: (Mul) Nx9
Multiplying with 999: (Mul) Nx999


[contentblock id=speedmath-blockquote]