**CHALLENGE #3: LIGHT TRAVEL TIME**

**SPECIFIC STANDARDS ADDRESSED IN DEEP IMPACT MISSION CHALLENGE from Principles and Standards for School Mathematics (NCTM)**

**Algebra**
*Represent and analyze mathematical situations and structures using algebraic symbols*

- Grades 6-8 - Use symbolic algebra to represent situations and to solve problems, especially those that involve linear relationships
- Grades 9-12 - Use symbolic algebra to represent and explain mathematical relationships

**Measurement**
*Apply appropriate techniques, tools, and formulas to determine measurements*

- Grades 6-8 - Solve simple problems involving rates and derived measurements for such attributes as velocity and density