Before the visit, ask the dentist what procedures will be performed so there are no surprises. Plan a course of action to manage your child's reaction to the visit. Some children may be non-cooperative. Talk to your child about what to expect and build excitement as well as understanding about the upcoming visit.
To retract is to withdraw something you said or did. When you made a statement and then realized you spoke in error and take back what you said, this is an example of a situation where you retract your statement.
Subtraction by Regrouping. (Also called borrowing or trading) To subtract numbers with more than one digit: write down the larger number first and the smaller number directly below it. making sure to line up the columns! then do subtractions one column at a time like this (press play button):