**Additional Materials**

**Materials Required**

**Estimated Time Needed**

*(Times are approximate and will depend on the needs of the students.)*

Defining Regions Using Inequalities

Academic

Vocabulary

Vocabulary

A diagram that exhibits a relationship, often functional, between two sets of numbers as a set of points having coordinates determined by the relationship; also called plot.

A problem-solving strategy that students can use to solve mathematical problems by guessing the answer and then checking that the guess fits the conditions of the problem.

A term used to compare two expressions that are linked by less than <, less than or equal to =, greater than >, greater than or equal to =.

Natural numbers and their negatives, such as … -1, 0, 1, 2, 3 …; Integers are not expressed as fractions or with decimal points.