# "20x20 Multiplication Chart"

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## What Is a 20x20 Multiplication Chart?

A 20x20 Multiplication Chart is a table that contains the numbers 1 to 20 indicated in its topmost row and leftmost column. The table cells contain the products of these numbers. A Multiplication Chart is used to teach multiplication to elementary school children.

Alternate Name:

• Multiplication Table 20x20.

To find the product of numbers on the multiplication table, you need to find the first number in the left column and the second number in the top row. Draw a horizontal line from the first number and a vertical line from the second one. The cell where the lines meet is the product of these numbers. You can create a multiplication table on a computer or create a paper version.

## How to Make a 20x20 Multiplication Chart?

A Multiplication Table 20x20 should be created as follows:

1. For the paper version, you only need a piece of paper, a pencil, and a ruler.
• The applicant should draw a square and divide it into equal 21 parts vertically and horizontally;
• Then fill the cells on the topmost row and the leftmost column with numbers from 1 to 20, skipping the first cell;
• Enter the multiplication result in the cell where the two multipliable numbers intersect;
• Cells that indicate the result of multiplying identical numbers are arranged diagonally from the upper-right corner to the lower-right corner. These cells must be selected for a more convenient perception of the table.
2. You can create a Multiplication Chart to 20 as a spreadsheet and use MS Excel for this purpose. Such a document is functional and convenient because it contains predefined formulas, automated cells, and calculations.
• The applicant should indicate the numbers from 1 to 20 in the columns and rows as follows: enter numbers in order from 1 to 20 in Row 1 (starting from Column B) and Column A (starting from Row 2).
• Then enter the following formula in cell B2: =\$A2*B\$1. It contains two absolute links that are entered using the dollar symbol (\$). The first link is used to pin Column A. The formula contained in any cell of the spreadsheet will refer to the corresponding cell of the row in Column A. The second link is used to pin Row 1. The formula contained in any cell of the spreadsheet will refer to the corresponding cell of the column in Row 1.
• The applicant must copy this formula to all cells of the spreadsheet;
• Select the cells the same way as when creating a paper version.

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