1. Objectives: State and use symbols of inequality. Solve inequalities that involve addition and subtraction. Standards Addressed: 2.8.8.C: Create and interpret inequalities that model problem situations. 2.8.8.E: Select and use a strategy to solve an inequality and check the solution.

3.  D + 2.15 < $3.10

4.  D + 2.50 < $3.75

7.  c + 7 < -11 - 7 -7 c < -18

8.  The solution to an inequality is the set of all numbers that make the statement true.  The solution set might be listed, described, or graphed.  An inequality is graphed as an interval, a ray, or a line. Included endpoints are shown as dots,, while endpoints not included are shown as open circles, o.

11.  t + 7 < -3. - 7 - 7 t < -10