How to Add Numbers in Word 2007

1. Click on the Customize Quick Access Toolbar icon. It is a small downward-pointing triangle with a line above it to the right of the Microsoft Office button. Click 'More Commands.'
2. Change the 'Choose commands from' menu to 'All commands.' Click 'Sum' and press the 'Add' button. Press 'OK' to leave the window.
3. Click the 'Insert' tab on the ribbon at the top of the window. Click the 'Tables' icon and select the number of cells for the table. Allow one cell for every number you want to add. Enter the numbers you want to add to the cells. To create additional cells, press the 'Tab' key. Leave one blank cell at the bottom of the table.
4. Click on the blank cell at the bottom. Press the 'Sum' icon in the Quick Access Toolbar. The sum of the numbers appears in the blank cell.