In Table 5.1, each time you move one column to the left, the place value is 10 times larger than the place value of the preceding column. To add decimals, such as 9.087 and 15.31, align the decimal points and place values.Fill in any missing digits with zeros to make the numbers the same length. Enter a number into the sheet, for example, 1234.5678. This number will be displayed in the default number format, with two decimal places. Join Math Dad and Science Mom for an activity that introduces the idea of decimals. Go to, File > Options > General group and select a Date format that includes the time of day. This setting allows the operator to select how the control interprets an F value (feedrate) that does not contain a decimal point. We're going to be going over filling out those standard grids again those answer sheets and this time it's using decimals and fractions. I select the 12 cells the rows 2,3,4,5 columns A,B,C then drag the little cross on the bottom right corner down to row 201.