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### Multiplication Tables on the Web

```
Date: 11/24/96 at 13:45:45
From: Ashlyn Goulet
Subject: Multiplication tables

Can you tell me where I can find the multiplication tables on the WWW?
Thank you.
```

```
Date: 11/24/96 at 14:39:50
From: Doctor Sarah
Subject: Re: Multiplication tables

Hi there -

I've made up a table for you that goes through 12x12 - I hope that's
enough.

2    3    4    5    6    7    8    9   10   11   12

2    4    6    8   10   12   14   16   18   20   22   24

3    6    9   12   15   18   21   24   27   30   33   36

4    8   12   16   20   24   28   32   36   40   44   48

5   10   15   20   25   30   35   40   45   50   55   60

6   12   18   24   30   36   42   48   54   60   66   72

7   14   21   28   35   42   49   56   63   70   77   84

8   16   24   32   40   48   56   64   72   80   88   96

9   18   36   36   45   54   63   72   81   90   99  108

10   20   30   40   50   60   70   80   90  100  110  120

11   22   33   44   55   66   77   88   99  110  121  132

12   24   36   48   60   72   84   96  108  120  132

Do you notice any patterns?  How about in the 2's column?

Look at the horizontal and vertical rows for the 10's and the 11's -
they're pretty easy to see.

Have you seen our archive of questions and answers for Dr. Math? (The
URL is at the bottom of this message.) There's a suggestion for
learning multiplication tables that you should really look at there:

http://mathforum.org/dr.math/problems/unknown2.5.96.html

My grandfather was one of the first surveyors of the Mississippi
River.  He was an engineer and floated down the river on a raft.  I've
been told that he was famous for playing the harmonica and knowing his
multiplication tables through 20x20.  When you have learned your
tables through the 12's, you'll probably be able to make up a table
for the higher numbers yourself!

I think the only real way to learn your multiplication tables is to
practice a lot.  They are a really good thing to know, though - you
will use them all the time, even when you're grown up!

-Doctor Sarah,  The Math Forum
Check out our web site!  http://mathforum.org/dr.math/
```
Associated Topics:
Elementary Multiplication

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