jmcseals SEALS

Now this is cool!


OUT TO DINNER MATHEMATICS

This is pretty neat how it works out.
DON'T CHEAT BY SCROLLING DOWN FIRST
It takes less than a minute.......
Work this out as you read.
Don't cheat and read the bottom until you've worked through it!

This is fun!

1. First of all, pick the number of times a week that you would like to
have dinner out. (try for more than once but less than 10)

2. Multiply this number by 2 (Just to be bold)

3. Add 5. (for Sunday)

4. Multiply it by 50 - I'll wait while you get the
calculator................

5. If you have already had your birthday this year add 1753.... If you
haven't, add 1752..........

6. Now subtract the four digit year that you were born.

You should have a three digit number ..

The first digit of this was your original number

(I.e., how many times you want to have eat out each week.)

The next two numbers are...

YOUR AGE! (Oh YES, it IS!!!!!)

THIS IS THE ONLY YEAR (2003) IT WILL EVER WORK, SO SPREAD IT AROUND
WHILE IT LASTS. IMPRESSIVE, ISN'T IT?

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Fetteroll

All those classic "magic" number tricks are algebra :-)

Though strictly speaking, this one will only work for 2003, you can make it
work for any year if you just increment 1753/1752 each year. (It's not
coincidence that 2003 and 1753 both end in 3.)

> 1. First of all, pick the number of times a week that you would like to
> have dinner out. (try for more than once but less than 10)
>
> 2. Multiply this number by 2 (Just to be bold)
>
> 3. Add 5. (for Sunday)
>
> 4. Multiply it by 50 - I'll wait while you get the
> calculator................

((EatOut x 2) + 5) x 50

That's just a tricky way of multiplying the number of times you want to eat
out by 100. In other words, it will move the number of times you want to eat
out over to the hundreds position. So if you want to eat out 4 time a week,
you'll end up with 400 (plus some extra that gets subtracted off later).

So it's really:

((Eatout x 2) x 50) + 5 x 50) =
(Eatout x 100) + 250

> 5. If you have already had your birthday this year add 1753.... If you
> haven't, add 1752..........
>
> 6. Now subtract the four digit year that you were born.

All this does is subtract your birth year from 2003. Notice that if you add
250 (the extra number added to (Eatout x 100)) to 1753 you get ... 2003.

(Eatout x 100) + ((250 + 1753) - 1956)

or (Eatout x 100) + 2003-1956 :-)

Joyce

jmcseals SEALS

My daughter and I had such a fun time with this! It took her about two
hours to find the formula but she was SO proud when she figured out the
'trick'. <bg> She called two of her friends and they all worked it out
together on three-way. If only word problems were more like THIS when I was
in school! :)

Jennifer

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kayb85

They weren't like that because you had to do a WHOLE page of them and
you HAD to get them done in one night, combined with assignments from
other subjects. I remember doing math in highschool and actually
thinking to myself, "This might actually be fun, but there must be
something wrong with me because I need a WHOLE lot longer to really
think these problems through so that I can REALLY understand them".
I wanted a deeper understanding of the math I was doing and assuming
that everyone else had it.

Sheila


--- In [email protected], "jmcseals SEALS"
<jmcseals@m...> wrote:
> My daughter and I had such a fun time with this! It took her about
two
> hours to find the formula but she was SO proud when she figured out
the
> 'trick'. <bg> She called two of her friends and they all worked it
out
> together on three-way. If only word problems were more like THIS
when I was
> in school! :)
>
> Jennifer
>
> _________________________________________________________________
> Help STOP SPAM with the new MSN 8 and get 2 months FREE*
> http://join.msn.com/?page=features/junkmail
>
>
> [Non-text portions of this message have been removed]

[email protected]

In a message dated 5/7/03 10:57:40 AM, fetteroll@... writes:

<< All those classic "magic" number tricks are algebra :-) >>

Thank you Joyce for the *simple* explanantion! (I don't know math much past
the basics. Probably because my dad would hover over me, smacking me hard on
the head when I gave a wrong answer to the time-table flash cards he was
holding in front of me. I've run screaming from math ever since.)
Lara............