Where a digit is placed in a number tells you what value the digit has. You can use place value headings ... When two digits are used, for example in the number 54, the digit 4 still represents ...

To divide a decimal by 10, move the digits one place value column to the right. The number then becomes 10 times smaller. For example, let's divide 3.95 by 10. Look at the slideshow below to see ...