When we divide numbers by 10, each digit must move one place to the right.
When we look at the columns in a Th, H, T, U grid we notice that Hundreds are 10 times smaller than Thousands, Tens are 10 times smaller than Hundreds etc...
Example
Work out
546 ÷ 10 = 54.6
Here is 546 in a Th, H, T, U grid.
Answer
Watch this animation to see how each digit moves one place to the right.
So 546 ÷ 10 = 54.6