100 thoughts on “Doodling in Math: Sick Number Games


  2. i just figured out in the title “sick” means like having a cold, not like cool

  3. Give me the even number you think is the highest and I’ll just multiply it by its self, that many times. Like 14 x 14 x 14 x 14 x 14… until I have done it 14 times. I’m not saying that 14 is the highest even number, I’m saying that I know what the highest even number is.

  4. I made this wall of numbers starting with one two three and this is the weird part five eight basicaly i added the current number with the last number

  5. There are no prime numbers inside the pascal's triangle (only on the sides), because if two numbers differ by more than 1, the division of their factorials must be even 🙂 (if (n+1)>k, n!/(k!(n-k)!)=2m)

  6. I can't remember all of these for if i'm bored.. I don't even have time to be bored that much.. But they look so awesome

  7. is 1001 prime?

    say 3 for yes
    say 2 for no

    when I have people wanting answars, I will tell you, and please font spoil the fun!

  8. People who imagine that base ten is going to be immediately recognisable to 'aliens' should look into what is going on in 'alien' cultures on Earth. Clever lads are never smart, the are blinded by the simple part, can draw a line, yet not do art.

  9. I feel like I’m the beginning of the vid she drew hearts around the numbers because if not then 12 would look like it were labeled as a prime number since lines of different boxes were around it

  10. Vi-Hart: “If you circle all the odd numbers then you get a shape that you might have heard of.”

    Me: “TRI FORCE!!!”

    Vi-Hart: “It makes since you would get Serpinskies Triangle.”

    Me: “oh… :(“

    Go to 3:20

  11. (I didn't make this)
    Here's another math game:

    Take a three-by-three square, divided into sections and put numbers 1-9.
    Every diagonal line, row, and column added together equals 15
    Hint: 5 goes in the center.

  12. roses are red
    violets are blue
    im unsubscribing
    because of 2:22

    jkjk but really that was bad
    go stand in the corner and think about what you did

  13. I did the spiral thing but with perfect squares (like 4, 9, etc.) in math today and I noticed that all the odd perfect squares line up on one diagonal and all the even perfect squares line up on their own diagonal isn’t that funky

  14. Using spreadsheets and conditional formatting to paint fractals at work. Basically the office equivalent of doodling in math class. 🙂

  15. I have a math game of my own.
    What you do is you get some graphed paper and draw along a line, never going though a line and once you have a nice hollow shape you close it up so it is now a 2D shape. Then you fill it up with numbers, counting up from one. But two numbers that are next to them can not touch, eg. 4 can't touch 3 or 5. Try and fill up the whole thing.
    Hope that if anyone does this they do it right and I didn't give a crappy explanation.

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