[MileHi]

Not to prolong this, but I was only so-so at math.

Something I came to notice, on my own, was the curious thing with nine-

9 x 1 = 9

9 x 2 = 18 1+8 = 9

9 x 3 = 27 2+7 = 9

9 x 4 = 36 3+6 + 9 etc

I guess that means something, no sure what.

[TheConservativeParty]

Gee that is odd, and it works until 9 x 11. How'd we get this old and not notice that.🙃

[Melian]

I noticed that the answer to 9 x __ always began with a numeral one less than __ and the two numerals of the answer would add up to 9.

The answer to 9 x 5 would therefore start with a 4 and had to add up to 9.

4 + ___ = 9

4+ 5 = 9 , so the answer to 9 x 5 is 45.

[LittleLinda]

Coolest math trick I ever learned was multiplication by 11.

Any number X 11 = the left digit, the sum of the left and right digits, the right digit

Example: 23 X 11 = 2 then 5 (2+3) then 3 = 253
Example: 48 X 11 = 4 (temporary) then 12 (temporary) then 8. Take the 1 from the 12 and add it to the 4 to make 5, keep the 2, then 8 = 528
Example: 534 X 11 = 5874
Example: 8639 X 11 = 95029

It gets trickier the longer the number you’re multiplying, so for those it’s easier to start from the right and move left, but it works and people think you’re a math genius when you’re not really.

[LonePalm]

A Dozen, a Gross and a Score,
plus three times the square root of four,
divided by seven,
plus five times eleven,
equals nine squared and not a bit more.

((12 + 144 + 20 + (3 * 4^1/2)) / 7) + (5 * 11) = 9^2 + 0

WWG1WGA

Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)

[Cletus.D.Yokel]

:: I guess that means something, no sure what. ::

Ask a bank teller.

[numberonepal]

Check this out:

The Secret Behind Numbers 369 Tesla Code
https://www.youtube.com/watch?v=GnEWOYKgI4o&list=PLzOOIEpHTp1Zm0eo-p_gHzNpMdOey3ED7&index=6&t=140s

[Bigg Red]

Actually, I remember seeing that 9 magic on a kids’ show of some sort my children were watching in the early 1980s.