Directions: Review writing expressions to represent situations. Identify the variables,coefficients, and constants.

1.Three times a number and 8 girls went to a concert.
2.Trey collects basketball cards. He now has 9 times as many cards as
he did when he began collecting
3.Nina has 3 dimes and 1 nickel in her pocket. She found some quarters
on the ground
4.Write a story or phrase to match the expression 2n + 4.