Instructions Review with the child that x - 5 is an expression that means 5 less than a number x, and 5m is an expression that means 5 times a number m.
Some expressions require the use of more than one operation.
Here is a second example. Answers to the mathematics activities will be provided in the following day's guide. Write an expression for the sale price. 50 students tried out for the swimming team. If s represents the number of students who made the team, write an expression for the number of players who did not make the team.