Introducing
Prezi AI.
Your new presentation assistant.
Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.
Trending searches
Loading…
How to do 99x99?
Transcript
How to do 99x99?
In India ...
99 x 99
1. 81.81 + 16.20 = 98.01
2. 9900 - 100 + 1 = 9801
3. 10000 - 200 + 1 = 9801
THANK YOU!
Today we learn ...
With practice ...
2.1 x 2.9 = 6.09 (2.0)
3.7 x 3.3 = 12.21 (3.0)
7.7 x 4.6 = 35.42 (7.0)
5.5 x 7.8 = 42.90 (7.5)
7.3 x 6.4 = 46.72 (4.6)
3.4 x 6.8 = 23.12 (4.8)
Theory
We learned upto 10x10
ad + bc?
Now you know ...
5 x 5 = 25 1.5x1.5 = 2.25
2.5x2.5 = 6.25 3.5x3.5 = 12.25
4.5x4.5 = 20.25 5.5x5.5 = 30.25
6.5x6.5 = 42.25 7.5x7.5 = 56.25
8.5x8.5 = 72.25 9.5x9.5 = 90.25
Examples
ad+bc...
So ...
Choose a template
Presentations from around the world
Learn more about creating dynamic, engaging presentations with Prezi