Stress to your child that the place a digit is located in the number is different than the value of that digit.  Ex: 563,803  The digit 5 is in the hundred thousands place.  The value of the 5 is 500,000.

Here's a How-to video...  https://live.myvrspot.com/iframe?v=fZjY1M2JmN2RjNzA0YWNiNWRlMmY3NmExMWJjNDczYzI

This chart shows the relationship between each place and the value of money.  Moving one place to the left is the same as "times 10" and moving to the right each place is "divide 10".