# Synopsis:

**Running time 02:14 minutes**

## Lesson Guides:

**Batting Average**

**Subject:** Mathematics

**Topics:** Algebra

**Grades:** 6 – 12

**Knowledge and Skills:**

– Can evaluate expressions by substituting values for variables

– Can simplify expressions using correct order of operations

– Can do basic operations on both sides of an equation in such a way as to preserve the equality

Download Teacher Guide: Batting Average (PDF)

Download Student Lesson: Batting Average (PDF)

**Ingrid’s Cross-Country Practice**

**Subject:** Mathematics

**Topics:** Algebra, Coordinate Systems, Patterns, Relations and Functions

**Grades:** 7 – 9

**Concepts:**

– Function

**Knowledge and Skills:**

– Can plot a point in a two-dimensional coordinate system, given the coordinates, or determine the coordinates of a given point

– Can relate aspects of a graphical model to the real world situation which is being modeled

Download Teacher Guide: Ingrid’s Cross-Country Practice (PDF)

Download Student Lesson: Ingrid’s Cross-Country Practice (PDF)

**40 Years From Now**

**Subject:** Mathematics

**Topics:** Algebra–Patterns, Functions and Relations; Linear Equations, Quadratic Relations and Functions, Exponential Functions

**Grades:** 7 – 9

**Concepts:**

– Function

**Knowledge and Skills:**

– Can extrapolate a graph when a pattern exists

– Can plot a point in a two-dimensional coordinate system, given the coordinates, or determine the coordinates of a given point

– Can determine the equation of a linear function that closely matches a set of points

– Can determine a quadratic function that closely matches a set of points

– Can determine an exponential function that closely matches a set of points

Download Teacher Guide: 40 Years From Now (PDF)

Download Student Lesson: 40 Years From Now (PDF)