## Introduction: Multiplication Tables

First Prize in the

Burning Questions Round 6.5

Multiplication tables are charts that make simple multiplication easier. All you need to do to find the product, or answer to the multiplication problem, is find where the correct row and column meet.

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## Step 1: Get the Table

First, you need to find a good times table. I have attached one that I made for this instructable in PDF and DOCX (word 2007) formats, or you could grab one on Google Images.

I recommend printing it out, so you can use it when you aren't at your computer.

This times table works for problems with whole numbers that are 10 or less, but you could make a times table that goes to 1 billion if you wanted to and had a big sheet of paper.

## Step 2: Learn to Use It, Part 1

Notice the darker squares on the top and left side of the table. If the multiplication problem is 6x4, you need to find the first factor, in this case 6, on the leftmost column and the second factor, 4, in the top row.

You can find the numbers in either row, just make sure one is on the left column and the other is on the top row.

## Step 3: Learn to Use It, Part 2

Now you need to find where the 6 row and 4 column meet. Trace the 6 row all the way across the table, and the 4 column all the way down.

The six and four cross at the number 24, so the answer to 6x4 is 24.

## Step 4: Test!

- 8x1
- 2x0
- 5x5
- 10x3
- 4x5
- 3x9

## Step 5: Answers

- 8x1 = 8
- 2x0 = 0
- 5x5 = 25
- 10x3 = 30
- 4x5 = 20
- 3x9 = 27

## Step 6: Make Your Own Table

Here's how you can make your own multiplication table:

On the top row, label the squares from 1 to the highest number you want to multiply.

On the left column, do the same. Most times tables have the same numbers on the left as on the top, but you could make your table longer in one direction.

Then use a calculator or your head to fill in the numbers in the middle.

See the pictures for more details.

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## 4 Comments

Why not tear the chart in half? You only have to know half of this chart. Draw a diagonal line following the square numbers from top left to bottom right. You only have to know that line and the portion on either side of it. Confusing people by having them memorize 7x8 and then 8x7 is unnecessarily confusing and redundant.

Nice table thanks.

With a risk of complicating, one could highlight the square root diagonal (1,4,9,16...).

I'm going to print mine now.

Never thought or was told how to do 10 X ? (< 10) on a table like this. Nice hint Henry Regards, PG

OMG . We been using this for 180 years or more. What else is new ?

OMG . This is diggin pretty deep.................

I wonder where I found it when I found it and started to use it 50 years ago ?

G.D. Computers

cool ible

i like it.